Gs. Ts. Dr. Lam Weng Siew

journal article
  • Liew, K. F., Lam, W. S., Lam, W. H., Er, K. K., "Evaluation on the Preference of Courier Services Using Integrated AHP-TOPSIS Model", Journal of Advanced Research Design, Akademia Baru Publishing, Volume 125, Issue 1, pp 24-41, February 2025 (ISSN: 2289-7984).
  • Lim, S. J., Lam, W. H., Lam, W. S., "A Performance Study on the Potential Improvement of Construction Sector Companies in Malaysia", Journal of Advanced Research in Applied Sciences and Engineering Technology, Semarak Ilmu Publishing, Volume 43, Issue 2, pp 65-74, January 2025 (ISSN: 2462-1943).
  • Lam, W. H., Lam, W. S., Lee, P. F., Chai, M. W., "Evaluation of E-Banking Systems with Analytic Hierarchy Process Model", Journal of Advanced Research in Applied Sciences and Engineering Technology, Semarak Ilmu Publishing, Volume 64, Issue 1, pp 58-69, March 2025 (ISSN: 2462-1943).
  • Lam, W. S., Lam, W. H., Liew, K. F., Bakar, M. A., Lai, C. P., "Evaluation and Selection of Mobile Phones using Integrated AHP-TOPSIS Model", JOURNAL OF ADVANCED RESEARCH IN APPLIED SCIENCES AND ENGINEERING TECHNOLOGY, SEMARAK ILMU PUBLISHING, Volume 33, Issue 2, pp 25-39, January 2024 (ISSN: 2462-1943).
  • Lam, W. H., Lam, W. S., Lee, P. F., "A BIBLIOMETRIC ANALYSIS OF A GENETIC ALGORITHM FOR SUPPLY CHAIN AGILITY", Mathematics, MULTIDISCIPLINARY DIGITAL PUBLISHING INSTITUTE, Volume 12, Issue 8, pp 1-22, April 2024 (ISSN: 2227-7390).
  • Lee, P. F., Lam, W. S., Lam, W. H., Muck, W. K., "Multi-Criteria Decision Analysis on the Preference of Courier Service Providers with Analytic Hierarchy Process Model", Journal of Advanced Research in Applied Sciences and Engineering Technology, Semarak Ilmu Publishing, Volume 35, Issue 2, pp 94-103, May 2024 (ISSN: 2462-1943).
  • Lam, W. S., Lam, W. H., Lee, P. F., Jaaman, S. H., Beh, S. W., "Multi-Criteria Decision Making for the Selection of E-Commerce Platforms using AHP-TOPSIS Model", Journal of Advanced Research in Applied Sciences and Engineering Technology, Semarak Ilmu Publishing, Volume 59, Issue 2, pp 63-79, October 2024 (ISSN: 2462-1943).
  • Liew, K. F., Lam, W. S., Lam, W. H., "Evaluation of the Performance of Technology Companies using VIKOR Algorithm", Journal of Advanced Research in Applied Sciences and Engineering Technology, Semarak Ilmu Publishing, Volume 33, Issue 1, pp 175-186, December 2023 (ISSN: 2462-1943).
  • Lam, W. S., Lam, W. H., Lee, P. F., "The Studies on Chitosan for Sustainable Development: A Bibliometric Analysis", Materials, Multidisciplinary Digital Publishing Institute, Volume 16, Issue 7, pp 1-20, April 2023 (ISSN: 1996-1944).
  • Lam, W. S., Lam, W. H., Lee, P. F., Jaaman, S. H., "Biophotonics as a new application in optical technology: A bibliometric analysis", Heliyon, ELSEVIER LTD., Volume 9, Issue 12, pp 1-15, December 2023 (ISSN: 2405-8440).
  • Lam, W. S., Lee, P. F., Lam, W. H., "A bibliometric analysis on graphene nanoplatelet for sustainable material", Materials Today: Proceedings, Elsevier, Volume 80, Issue 2, pp 782-789, April 2023 (ISSN: 2214-7853).
  • Lam, W. S., Jaaman, S. H., Lam, W. H., "Portfolio Optimization of Technology Companies in Malaysia: An Application of Fuzzy TOPSIS-Mean-Absolute Deviation Approach", International Journal of Industrial Engineering, Technology & Operations Management, INDONESIA ACADEMIA RESEARCH SOCIETY, Volume 1, Issue 1, pp 41-45, July 2023 (ISSN: 3026-0140).
  • Lam, W. H., Lam, W. S., Lee, P. F., "The Studies on Gallium Nitride-Based Materials: A Bibliometric Analysis", Materials, Multidisciplinary Digital Publishing Institute, Volume 16, Issue 401, pp 1-18, January 2023 (ISSN: 1996-1944).
  • Lam, W. H., Lam, W. S., Liew, K. F., Lee, P. F., "Decision Analysis on the Financial Performance of Companies Using Integrated Entropy-Fuzzy TOPSIS Model", Mathematics, Multidisciplinary Digital Publishing Institute, Volume 11, Issue 2, pp 1-18, January 2023 (ISSN: 2227-7390).
  • Lee, P. F., Lam, W. S., Lam, W. H., "Performance Evaluation of the Efficiency of Logistics Companies with Data Envelopment Analysis Model", Mathematics, Multidisciplinary Digital Publishing Institute, Volume 11, Issue 3, pp 1-15, January 2023 (ISSN: 2227-7390).
  • Lam, W.S., Lam, W.H., Jaaman, S.H., Lee, P.F., "Bibliometric Analysis of Granger Causality Studies", Entropy, Multidisciplinary Digital Publishing Institute, Volume 25, Issue 4, pp 1-24, April 2023 (ISSN: 1099-4300).
  • Lam, W.S., Lam, W.H., Lee, P.F., "A Bibliometric Analysis of Digital Twin in the Supply Chain", Mathematics, Multidisciplinary Digital Publishing Institute, Volume 11, Issue 15, pp 1-24, July 2023 (ISSN: 2227-7390).
  • Lam, W.S., Lee, P.F., Lam, W.H., "Optimization on the Financial Management of Construction Companies with Goal Programming Model", Computer Sciences and Mathematics Forum, Multidisciplinary Digital Publishing Institute, Volume 7, Issue 1, pp 1-6, July 2023 (ISSN: 2813-0324).
  • Liew, K. F., Lam, W. S., Lam, W. H., "Financial Distress Analysis of Technology Companies Using Grover Model", COMPUTER SCIENCES AND MATHEMATICS FORUM, MULTIDISCIPLINARY DIGITAL PUBLISHING INSTITUTE, Volume 7, Issue 6, pp 1-6, July 2023 (ISSN: 2813-0324).
  • Lam, W. S., Lam, W. H., Bakar, M. A., Lee, P. F., "Data Driven Decision Analysis on the Performance of Electronic Companies with TOPSIS Model", Journal of Advances in Information Technology, Engineering and Technology Publishing, Volume 13, Issue 1, pp 61-66, February 2022 (ISSN: 1798-2340).
  • Lam, W. H., Lam, W. S., Jaaman, S. H., Lee, P. F., "Bibliometric Analysis of Information Theoretic Studies", Entropy, Multidisciplinary Digital Publishing Institute, Volume 24, Issue 10, pp 1-13, September 2022 (ISSN: 1099-4300).
  • Liew, K. F., Lam, W. S., Lam, W. H., "Financial Network Analysis on the Performance of Companies Using Integrated Entropy-DEMATEL-TOPSIS Model", Entropy, Multidisciplinary Digital Publishing Institute, Volume 24, Issue 8, pp 1-17, July 2022 (ISSN: 1099-4300).
  • Lam, W. S., Lee, P. F., Lam, W. H., "CELLULOSE NANOFIBER FOR SUSTAINABLE PRODUCTION: A BIBLIOMETRIC ANALYSIS", Materials Today: Proceedings, ELSEVIER LTD., Volume 62, Issue 12, pp 6460-6467, July 2022 (ISSN: 2214-7853).
  • Liew, K. F., Lam, W. S., Lam, W. H., "OPTIMIZING THE PORTFOLIO IN MALAYSIAN STOCK MARKET WITH MEAN-VARIANCE MODEL", Journal of Positive School Psychology, Gokmen Arslan, Volume 6, Issue 3, pp 8382-8388, May 2022 (ISSN: 2717-7564).
  • Lam, W. S., Lam, W. H., Jaaman, S. H., Liew, K. F., "Performance Evaluation of Construction Companies Using Integrated Entropy-Fuzzy VIKOR Model", Entropy, Multidisciplinary Digital Publishing Institute, Volume 23, Issue 3, pp 1-16, March 2021 (ISSN: 1099-4300).
  • Lam, W. S., Liew, K. F., Lam, W. H., "Performance Evaluation of Construction Companies in Malaysia with Entropy-VIKOR Model", Engineering Journal, Chulalongkorn University, Volume 25, Issue 1, pp 297-305, January 2021 (ISSN: 0125-8281).
  • Lam, W. S., Lam, W. H., Jaaman, S. H., "Portfolio Optimization with a Mean-Absolute Deviation-Entropy Multi-Objective Model", Entropy, Multidisciplinary Digital Publishing Institute, Volume 23, Issue 10, pp 1-15, September 2021 (ISSN: 1099-4300).
  • Liew, K. F., Lam, W. S., Lam, W. H., Bakar, M. A., "Selection of Social Networking Sites among Undergraduate Students with AHP-TOPSIS Model", Journal of Applied Mathematics and Computational Intelligence, Universiti Malaysia Perlis, Volume 10, Issue 1, pp 188-202, December 2021 (ISSN: 2289-1315).
  • Lam, W. H., Lam, W. S., Lee, P. F., "Optimizing the Financial Management of Electronic Companies using Goal Programming Model", Journal of Physics: Conference Series, IOP Publishing Ltd., Volume 2070, Issue 46, pp 1-10, November 2021 (ISSN: 1742-6588).
  • Lee, P. F., Lam, W. S., Lam, W. H., "Evaluation and Improvement of the Efficiency of Logistics Companies with Data Envelopment Analysis Model", Engineering Journal, Chulalongkorn University, Volume 25, Issue 6, pp 45-54, July 2021 (ISSN: 0125-8281).
  • Lam, W. S., Jaaman, S. H., Lam, W. H., "Higher moment of portfolio optimization with Polynomial Goal Programming approach", Journal of Physics: Conference Series, IOP Publishing Ltd., Volume 1988, Issue 1, pp 1-7, September 2021 (ISSN: 1742-6588).
  • Lam, W. S., Lam, W. H., Liew, K. F., Bakar, M.A., Sim, J.X., "Analysis on the e-Learning Method in Malaysia with AHP-VIKOR Model", International Journal of Information and Education Technology, International Journal of Information and Education Technology, Volume 11, Issue 2, pp 52-58, February 2021 (ISSN: 2010-3689).
  • Lam, W. S., Lam, W. H., Lee, P. F., "Optimizing the Asset and Liability Management of Telecommunication Company using Goal Programming Model", Journal of Electronic & Information Systems, Bilingual Publishing Co., Volume 2, Issue 2, pp 24-29, November 2020 (ISSN: 2661-3204).
  • Liew, K. F., Lam, W. S., Lam, W. H., "ANALYSIS ON THE LIBRARY SERVICE QUALITY WITH ANALYTIC HIERARCHY PROCESS MODEL", Journal of Physics: Conference Series, IOP PUBLISHING LTD., Volume 1706, Issue 54, pp 1-9, December 2020 (ISSN: 1742-6588).
  • Lam, W. H., Lam, W. S., Liew, K. F., "Optimization on the performance of technology companies with super efficiency data envelopment analysis model", Journal of Advanced Research in Dynamical and Control Systems, Institute of Advanced Scientific Research, Volume 12, Issue 4, pp 1424-1433, August 2020 (ISSN: 1943-023X).
  • Lam, W. S., Lam, W. H., Lee, P. F., "Evaluation of Asset and Liability Management of Companies in Malaysia with Goal Programming Model", International Journal of Business & Management Studies, Institute for Promoting Research & Policy Development, Volume 1, Issue 2, pp 32-39, August 2020 (ISSN: 2694-1449).
  • Lam, W. S., Jaaman, S. H., Lam, W. H., "TRACKING A BENCHMARK INDEX IN PORTFOLIO OPTIMIZATION WITH TWO-STAGE MIXED INTEGER PROGRAMMING MODEL", Journal of Quality Measurement and Analysis, Universiti Kebangsaan Malaysia (UKM), Volume 16, Issue 1, pp 53-59, July 2020 (ISSN: 2600-8599).
  • Lam, W. S., Liew, K. F., Lam, W. H., "Optimizing the Efficiency of Financial Companies in Malaysia with Super-Efficiency Data Envelopment Analysis Model", Solid State Technology, Pennwell Corporation, Volume 63, Issue 2s, pp 2741-2753, November 2020 (ISSN: 0038-111X).
  • Lam, W. H., Jaaman, S. H., Lam, W. S., "Portfolio Optimization of Technology Companies in Malaysia with Mean-Gini Model", Discovering Mathematics, Malaysian Mathematical Sciences Society and Universiti Putra Malaysia, Volume 42, Issue 1, pp 45-50, July 2020 (ISSN: 2231-7023).
  • LAM, W. S., JAAMAN, S. H., LAM, W. H., "PORTFOLIO OPTIMIZATION OF FINANCIAL COMPANIES WITH FUZZY TOPSIS-MEAN-SEMI ABSOLUTE DEVIATION MODEL", JOURNAL OF ADVANCED RESEARCH IN DYNAMICAL AND CONTROL SYSTEMS, INSTITUTE OF ADVANCED SCIENTIFIC RESEARCH, Volume 12, Issue 4, pp 1488-1495, May 2020 (ISSN: 1943-023X).
  • Lam, W. H., Yeoh, H. B., Lam, W. S., Lai, J. X., "Evaluation on the Financial Performance of Technology Companies in Malaysia with Zmijewski Model", Malaysian Journal of Mathematical Sciences, Universiti Putra Malaysia (UPM), Volume 14, Issue S, pp 81-92, December 2020 (ISSN: 1823-8343).
  • Lam, W. H., Lam, W. S., Liew, K. F., Lai, A. J. X., Lee, P. F., "AN EMPIRICAL EVALUATION ON THE PERFORMANCE OF FOOD SERVICE INDUSTRY IN MALAYSIA WITH TOPSIS MODEL", Journal of Physics: Conference Series, IOP PUBLISHING LTD., Volume 1706, Issue 72, pp 1-7, December 2020 (ISSN: 1742-6588).
  • Lam, W.H., Lam, W.S., Liew, K.F., "PERFORMANCE ANALYSIS ON TELECOMMUNICATION COMPANIES IN MALAYSIA WITH TOPSIS MODEL", INDONESIAN JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE, INSTITUTE OF ADVANCED ENGINEERING AND SCIENCE, Volume 13, Issue 2, pp 744-751, February 2019 (ISSN: 2502-4752).
  • Bahaludin, H., Abdullah, M.H., Lam, W.S., Lam, W.H., "The Investigation on the Impact of Financial Crisis on Bursa Malaysia Using Minimal Spanning Tree", Mathematics and Statistics, Horizon Research Publishing Corporation, Volume 7, Issue 4A, pp 1-8, September 2019 (ISSN: 2332-2144).
  • SUBRAMANIAM, K., LAM, W.S., LAM, W.H., CHEN, J.W., "AN EMPIRICAL EVALUATION ON THE FINANCIAL PERFORMANCE OF THE COMPANIES IN MALAYSIA WITH Z SCORE MODEL", JOURNAL OF PHYSICS: CONFERENCE SERIES, IOP PUBLISHING, Volume 1358, Issue 1, pp 1-7, November 2019 (ISSN: 1742-6596).
  • Suliman, K., Sultan, Z., Lam, W. S., Lam, W. H., "A Service Quality Index for Evaluating and Improving Container Depot Services", ASM Science Journal, Akademi Sains Malaysia, Volume 12, Issue 6, pp 15-21, December 2019 (ISSN: 1823-6782).
  • Lam, W.S., Jaaman, S.H., Lam, W.H., "An Enhanced Mean-Extended Gini Model in Portfolio Optimization with Different Level of Risk Aversion", ASM SCIENCE JOURNAL, AKADEMI SAINS MALAYSIA, Volume 12, Issue 6, pp 41-46, December 2019 (ISSN: 1823-6782).
  • AGNES LAI, J. X, LAM, W. H., LAM, W. S., "EVALUATION ON THE CREDIT RISK EFFICIENCY OF COMPANIES IN MALAYSIA WITH ENHANCED DA- TA ENVELOPMENT ANALYSIS MODEL", JOURNAL OF ADVANCED RESEARCH IN DYNAMICAL AND CONTROL SYSTEMS, INSTITUTE OF ADVANCED SCIENTIFIC RESEARCH, Volume 11, Issue 12, pp 30-38, December 2019 (ISSN: 1943-023X).
  • CHEN, J. W., LAM, W. S., LAM, W. H., "OPTIMIZATION AND COMPARISON OF BANK FINANCIAL MANAGEMENT IN MALAYSIA WITH GOAL PROGRAMMING MODEL", JOURNAL OF ADVANCED RESEARCH IN DYNAMICAL AND CONTROL SYSTEMS, INSTITUTE OF ADVANCED SCIENTIFIC RESEARCH, Volume 11, Issue 12, pp 39-46, December 2019 (ISSN: 1943-023X).
  • Lam, W.S., Liew, K.F., Lam, W.H., "An Optimal Control on the Efficiency of Technology Companies in Malaysia with Data Envelopment Analysis Model", Journal of Telecommunication Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Volume 10, Issue 1, pp 107-111, January 2018 (ISSN: 2180-1843).
  • Lam, W.H., M. A. Din, Lam, W.S., Chen, J.W., "Evaluation on the Performance of Suppliers in Malaysia with TOPSIS Model", Journal of Fundamental and Applied Sciences, UNIV EL OUED, Volume 10, Issue 6, pp 406-415, March 2018 (ISSN: 1112-9867).
  • Lam, W.H., Lam, W.S., Tan, C.K.W., Lye, A.C.H., "A Study on the Impact of Climate and Road Factors Towards Road Accidents in Malaysia with Analytic Hierarchy Process", American Journal of Environmental Policy and Management, American Association for Science and Technology, Volume 4, Issue 2, pp 54-59, February 2018 (ISSN: 2472-971X).
  • Lam, W.H., Lam, W.S., Liew, K.F., Wong, S.C., "Data-Driven Decision Analysis on the Selection of Course Programmes with AHP-TOPSIS Model", International Journal of Supply Chain Management, ExcelingTech Publishers, Volume 7, Issue 4, pp 202-208, August 2018 (ISSN: 2050-7399).
  • Lam, W.S., Bakar, M.A., Lam, W.H., Chen, J.W., Ma, H.L., "Evaluation on the Preference of Coffee Shop among the Undergraduate Students with Analytic Hierarchy Process Model", International Journal of Supply Chain Management, ExcelingTech Publishers, Volume 7, Issue 4, pp 209-215, August 2018 (ISSN: 2050-7399).
  • Lam, W.H., Yeoh, H.B., Lam, W.S., Chen, J.W., "ANALYSIS ON THE PERFORMANCE OF TECHNOLOGY COMPANIES WITH Z-SCORE MODEL", BULLETIN OF ELECTRICAL ENGINEERING AND INFORMATICS, INSTITUTE OF ADVANCED ENGINEERING AND SCIENCE, Volume 7, Issue 4, pp 633-639, December 2018 (ISSN: 2302-9285).
  • Lim, S.J., Lam, W.H., Lam, W.S., "Optimization on the Efficiency of the Construction Sector Companies in Malaysia With Data Envelopment Analysis Model", The Journal of Social Sciences Research, Academic Research Publishing Group, Volume 6, Issue 1, pp 893-898, December 2018 (ISSN: 2411-9458).
  • Lai, A.J.X., Lam, W.H., Lam, W.S., "Optimization on the Credit Risk of Companies in Malaysia With Data Envelopment Analysis Model", International Journal of Engineering and Technology, Science Publishing Corporation Inc, Volume 7, Issue 4.11, pp 13-16, October 2018 (ISSN: 2227-524X).
  • Lam, W.S., Jaaman, S.H., Lam, W.H., "Enhanced Index Tracking Model with Entropy Maximization", Advances and Applications in Statistics, Pushpa Publishing House, Volume 53, Issue 3, pp 243-258, September 2018 (ISSN: 0972-3617).
  • Lam, W.S., Lam, W.H., Bakar, M.A., Sek, X.Y., "An Empirical Evaluation on the Preference of Mobile Broadband in Malaysia with Analytic Hierarchy Process Model", Advanced Science Letters, American Scientific Publishers, Volume 24, Issue 11, pp 8573-8577, November 2018 (ISSN: 1936-7317).
  • Lam, W.S., Lam, W.H., Liew, K.F., "Data Analysis on the Performance of Technology Sector in Malaysia with Entropy-TOPSIS Model", Communications in Computer and Information Science, Springer, Volume 886, Issue 18, pp 194-203, September 2018 (ISSN: 1865-0929).
  • Lam, W.S., Liew, K.F., Lam, W.H., "Performance Evaluation on Financial Companies in Malaysia with Data Envelopment Analysis Model", International Journal of Management Science, American Association for Science and Technology, Volume 5, Issue 1, pp 1-5, January 2018 (ISSN: 2375-3757).
  • Lam, W.H., Lam, W.S., Chen, J.W., "A Study on the Performance of the Retailers in Malaysia with TOPSIS Model", International Journal of Economic Theory and Application, American Association for Science and Technology, Volume 5, Issue 1, pp 7-12, January 2018 (ISSN: 2375-298X).
  • Lam, W.S., Bishan, R.S., Lam, W.H., Liew, K.F., "An Empirical Study on the Preference of Supermarkets with Analytic Hierarchy Process Model", Journal of Physics, Institute of Physics, Volume 995, Issue 37, pp 1-9, April 2018 (ISSN: 1742-6588).
  • Lam, W.H., Lim, S.J., Lam, W.S., Tey, K.H., "Evaluation on the efficiency of the construction sector companies in Malaysia with data envelopment analysis model", Journal of Physics, Institute of Physics, Volume 995, Issue 22, pp 1-8, April 2018 (ISSN: 1742-6588).
  • Lam, W.S., Liew, K.F., Lam, W.H., "Investigation on the Efficiency of Financial Companies in Malaysia with Data Envelopment Analysis Model", Journal of Physics, Institute of Physics, Volume 995, Issue 21, pp 1-10, April 2018 (ISSN: 1742-6588).
  • Lam, W.S., Chen, J.W., Lam, W.H., "Data Driven Decision Analysis in Bank Financial Management with Goal Programming Model", Lecture Notes in Computer Science, Springer, Volume 10645, Issue 1, pp 681-689, December 2017 (ISSN: 0302-9743).
  • Lam, W.H., Lam, W.S., Liew, K.F., "Improvement on the Efficiency of Technology Companies in Malaysia with Data Envelopment Analysis Model", Lecture Notes in Computer Science, Springer, Volume 10645, Issue 1, pp 19-30, December 2017 (ISSN: 0302-9743).
  • Liew, K.F., Lam, W.S., Lam, W.H., "An Empirical Evaluation on the Efficiency of the Companies in Malaysia with Data Envelopment Analysis Model", Advanced Science Letters, American Scientific Publishers, Volume 23, Issue 9, pp 8264-8267, September 2017 (ISSN: 1936-6612).
  • Lam, W.S., Liew, K.F., Lam, W.H., "An Empirical Investigation on the Efficiency of Healthcare Companies with Data Envelopment Analysis Model", Biomedical Statistics and Informatics, Science Publishing Group, Volume 1, Issue 1, pp 19-23, January 2017 (ISSN: 2578-8728).
  • Lam, W.S., Chen, J.W., Lam, W.H., "Analysis on the Preference of Fast Food Restaurants with Analytic Hierarchy Process Model", International Journal of Psychology and Cognitive Science, American Association for Science and Technology, Volume 3, Issue 6, pp 72-76, December 2017 (ISSN: 2472-9469).
  • Lam, W.S., Chen, J.W., Lam, W.H., "Analysis on the Bank Financial Management with Goal Programming Model", International Journal of Economic Theory and Application, American Association for Science and Technology, Volume 4, Issue 5, pp 40-44, December 2017 (ISSN: 2375-298X).
  • Lam, W.S., Liew, K.F., Lam, W.H., "An Empirical Investigation on the Efficiency of the Financial Companies in Malaysia with DEA Model", American Journal of Information Science and Computer Engineering, American Institute of Science, Volume 3, Issue 3, pp 32-38, June 2017 (ISSN: 2381-7496).
  • Lam, W. S., Bakar, M. A., Lam, W. H., Liew, K. F., "Multi-Criteria Decision Making in the Selection of Mobile Network Operators with AHP-TOPSIS Model", Journal of Engineering and Applied Sciences, Medwell, Volume 12, Issue 23, pp 6382-6386, December 2017 (ISSN: 1816-949X).
  • Lam, W.S., Liew, K.F., Lam, W.H., "An Empirical Comparison on the Efficiency of Healthcare Companies in Malaysia with Data Envelopment Analysis Model", International Journal of Service Science, Management and Engineering, Open Science, Volume 4, Issue 1, pp 1-5, January 2017 (ISSN: 2381-6031).
  • Lam, W.S., Saiful, H.J., Lam, W.H., "Enhanced Index Tracking in Portfolio Optimization with Two-Stage Mixed Integer Programming Model", Journal of Fundamental and Applied Sciences, UNIV EL OUED,, March 2017 (ISSN: 1112-9867).
  • Lam, W.H., Saiful, H.J., Lam, W.S., "Portfolio Optimization of the Construction Sector Companies in Malaysia with Mean-Absolute Deviation Model", Journal of Fundamental and Applied Sciences, UNIV EL OUED, April 2017 (ISSN: 1112-9867).
  • Chen, J.W., Lam, W.S., Lam, W.H., "Optimization on the Financial Management of the Bank in Malaysia with Goal Programming Model", Journal of Fundamental and Applied Sciences, UNIV EL OUED, May 2017 (ISSN: 1112-9867).
  • Lam, W.S., Liew, K.F., Lam, W.H., "Optimization on the Efficiency of the Companies in Malaysia with Data Envelopment Analysis Model", Journal of Telecommunication, Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, April 2017 (ISSN: 2289-8131).
  • Lam, W.S., Lam, W.H., Liew, K.F., Chen, J.W., "An Empirical Study on the Preference of Fast Food Restaurants in Malaysia with AHP-TOPSIS Model", Journal of Engineering and Applied Sciences, Medwell, December 2016 (ISSN: 1818-7803).
  • Lam, W.S., Lam, W.H., "Strategic Decision Making in Portfolio Management with Goal Programming Model", American Journal of Operations Management and Information Systems, Science Publishing Group, Volume 1, Issue 1, pp 34-38, December 2016 (ISSN: 2578-8310).
  • Lam, W.S., Ranjeet, B., Lam, W.H., "An Empirical Study on the Mold Machine-Tool Selection in Semiconductor Industry with Analytic Hierarchy Process Model", Advanced Science Letters, American Scientific Publishers, December 2016 (ISSN: 1936-6612).
  • Lam, W.S., Chen, J.W., Lam, W.H., "An Empirical Study on the Selection of Fast Food Restaurants Among the Undergraduates with AHP Model", American Journal of Information Science and Computer Engineering, American Institute of Science, Volume 2, Issue 3, pp 15-21, July 2016 (ISSN: 2381-7488).
  • Lam, W.S., Saiful, H.J., Hamizun, I., "An Empirical Comparison Of Different Optimization Models In Enhanced Index Tracking Problem", Advanced Science Letters, American Scientific Publishers, Volume 21, Issue 5, pp 1278-1281, November 2015 (ISSN: 1936-6612).
  • Lam, W.S., Saiful, H.J., Hamizun, I., "The Impact of Different Economic Scenarios towards Portfolio Selection in Enhanced Index Tracking Problem", Advanced Science Letters, American Scientific Publishers, Volume 21, Issue 5, pp 1285-1288, November 2015 (ISSN: 1936-6612).
  • Lam, W.S., Saiful, H.J., Hamizun, I., "An Empirical Study on the Characteristics of High Risk Aversion Behavior in Portfolio Decision Making using Regression Model", Advances in Environmental Biology, American Eurasian Network For Scientific Information, Volume 9, Issue 7, pp 17-20, March 2015 (ISSN: 1995-0756).
  • Lam, W.S., Saiful, H.J., Hamizun, I., "The impact of human behaviour towards portfolio selection in Malaysia", Procedia-Social and Behavioral Sciences, Elsevier, Volume 172, Issue 1, pp 674-678, March 2015 (ISSN: 1877-0428).
  • Lam, W.H., Lam, W.S., "Portfolio Optimization with Mean-Absolute Deviation Model in Malaysia Stock Market", Mathematics and Statistics Journal, IWNEST, Volume 1, Issue 3, pp 1-3, March 2015 (ISSN: 2077-4591).
  • Lam, W.S., Leong, W.B., Lam, W.H., "Selection of Mobile Network Operator Based on Multi-Criteria Decision Making Model Using Analytic Hierarchy Process", Mathematics and Statistics Journal, IWNEST, Volume 1, Issue 1, pp 12-18, January 2015 (ISSN: 2077-4591).
  • Lam, W.S., Lam, W.H., "Portfolio Management for Index Tracking Problem in Malaysian Stock Market", International Journal Of Administration And Governance, IWNEST, Volume 1, Issue 3, pp 15-17, May 2015 (ISSN: 2077-4486).
  • Lam, W.S., Saiful, H.J., Hamizun, I., "Investigation on Relationship between Human Behavior and Portfolio Selection Problem in Malaysia using Decision Making Model", Advances in Environmental Biology, American Eurasian Network For Scientific Information, Volume 9, Issue 7, pp 6-10, March 2015 (ISSN: 1995-0756).
  • Lam, W.H., Lam, W.S., "An Empirical Investigation on Portfolio Management Problem with Mean-risk Model in Malaysia Stock Market", Advanced Science Letters, American Scientific Publishers, Volume 21, Issue 5, pp 1293-1294, November 2015 (ISSN: 1936-6612).
  • Lam, W.S., Lam, W.H., "Selection of Mobile Telecommunications Companies in Portfolio Optimization with Mean-variance Model", American Journal Of Mobile Systems, Applications And Services, American Institute Of Science, Volume 1, Issue 2, pp 119-123, August 2015 (ISSN: 2471-7290).
  • Lam, W.S., Lam, W.H., "An Empirical Study on the Return Distribution of the Mobile Network Companies in Malaysia Stock Market", American Journal Of Mobile Systems, Applications And Services, American Institute Of Science, Volume 1, Issue 3, pp 152-155, September 2015 (ISSN: 2471-7290).
  • Lam, W.S., Lam, W.H., "Portfolio Optimization for Index Tracking Problem with Mixed-Integer Programming Model", Journal of Scientific Research and Development, University of Lagos, Volume 2, Issue 10, pp 5-8, September 2015 (ISSN: 1115-7569).
  • Lam, W.S., Lee, W.K., Lam, W.H., "Multi-Criteria Decision Making in Job Selection Problem Using Analytic Hierarchy Process Model", Mathematics And Statistics Journal, IWNEST, Volume 1, Issue 2, pp 3-7, February 2015 (ISSN: 2077-4591).
  • Lam, W.S., Saiful, H.J., Hamizun, I., "Comparison between Two-Stage Regression Model and Variance Model in Portfolio Optimization", Journal of Applied Science and Agriculture, American Eurasian Network For Scientific Information, Volume 9, Issue 18, pp 36-40, October 2014 (ISSN: 1816-9112).
  • Lam, W.S., Saiful, H.J., Hamizun, I., "Index Tracking Modelling in Portfolio Optimization with Mixed Integer Linear Programming", Journal of Applied Science and Agriculture, American Eurasian Network for Scientific Information, Volume 9, Issue 18, pp 47-50, October 2014 (ISSN: 1816-9112).
  • Nasruddin, H., Lam, W.S., Shee, Y.S., "Portfolio Decision Analysis with Maximin Criterion in the Malaysian Stock Market", Applied Mathematical Sciences, Hikari Ltd, Volume 6, Issue 110, pp 5483-5486, May 2012 (ISSN: 1314-7552).
  • Irfan, A.B., Zainal, Z.A., Narayana, P.A.A., Seetharamu, K.N., Lam, W.S., "Free convection and radiation for a vertical wall with varying temperature embedded in a porous medium", International Journal of Thermal Sciences, Elsevier, Volume 45, Issue 5, pp 487-493, August 2006 (ISSN: 1290-0729).
  • Irfan, A.B., Zainal, Z.A., Narayana, P.A.A., Seetharamu, K.N., Lam, W.S., "Free convection and radiation characteristics for a vertical plate embedded in a porous medium", International Journal for Numerical Methods in Engineering, Wiley, Volume 65, Issue 13, pp 2265-2278, March 2006 (ISSN: 1097-0207).

conference proceedings
  • Liew, K. F., Lam, W. S., Lam, W. H., Determination on the Financial Performance of Construction Companies Using TOPSIS Model, IEEE Xplore, March 2024 (ISSN: -).
  • Lam, W. H., Lam, W. S., Liew, K. F., Chin, F. Y., Lim, F. W., Conceptual Framework for Blockchain Business Success Factors with Fuzzy Analytic Hierarchy Process Model, ITM Web of Conferences, November 2023 (ISSN: 2271-2097).
  • Lam, W. S., Lee, P F., Lam, W. H., Evaluation on the performance of highway companies using goal programming model, E3S Web of Conferences, July 2023 (ISSN: 2267-1242).
  • Lam, W. H., Liew, K. F., Lam, W. S., Selection of Materials in Construction Industry with Multi-Criteria Decision Making Models, E3S Web of Conferences, July 2023 (ISSN: 2267-1242).
  • Lam, W. S., Lee, P F., Lam, W. H., Bakar, M. A., Optimizing the Performance of Construction Companies using Goal Programming Model, E3S Web of Conferences, December 2023 (ISSN: 2267-1242).
  • Liew, K. F., Lam, W. S., Lam, W. H., Financial Distress Analysis of Technology Companies using Grover Model, CONFERENCE PUBLICATION OF IOCMA2023, April 2023 (ISSN: -).
  • Lam, W. S., Lee, P. F., Lam, W. H., Optimization on the Financial Management of Construction Companies with Goal Programming Model, CONFERENCE PUBLICATION OF IOCMA2023, April 2023 (ISSN: -).
  • Lam, W. S., Lee, P. F., Lam, W. H., Multi-Criteria Decision Analysis of the Logistics Companies using TOPSIS Model, Proceedings of The 2022 International Conference on Decision Aid Sciences and Application, May 2022 (ISSN: -).
  • Lam, W. S., Lam, W. H., Lee, P. F., Decision Analysis on the Financial Management of Shipping Companies using Goal Programming Model, 2021 International Conference on Decision Aid Sciences and Application (DASA), January 2022 (ISSN: -).
  • Lam, W. H., Subramaniam, K., Lam, W. S., Lai, A. J. X., An Empirical Study on the Financial Performance of Companies in Malaysia with Springate Model, Proceedings of Science and Mathematics, November 2020 (ISSN: 2756-8857).
  • Lam, W. S., Din, M. A., Lam, W. H., Lai, A. J. X., Chang, Q. Y., Performance Evaluation of Consumer Products and Services Companies in Malaysia with TOPSIS Model, Proceedings of Science and Mathematics, November 2020 (ISSN: 2756-8857).
  • Lam, W. S., Lam, W. H., Lee, P. F., The Impact of E-Payment Systems in the Selection of Cinema among the Undergraduate Students using Analytic Hierarchy Process Model, 2020 IEEE Conference on e-Learning, e-Management and e-Services (IC3e), December 2020 (ISSN: -).
  • Lai, A.J.X., Lam, W.H., Lam, W.S., An Empirical Evaluation on the Credit Risk Efficiency of Financial institutions in Malaysia with Data Envelopment Analysis Model, THE 4TH INNOVATION AND ANALYTICS CONFERENCE & EXHIBITION (IACE 2019), Langkawi, Kedah, Malaysia, 21-21 August 2019 (ISSN: -).
  • Muhammad, A.N., Chong, Z.L., Yeong, W.C., Lam, W.S., Variable sample size EWMA CV chart based on expected average run length, THE 4TH INNOVATION AND ANALYTICS CONFERENCE & EXHIBITION (IACE 2019), Langkawi, Kedah, Malaysia, 21-21 August 2019 (ISSN: -).
  • Chen, J.W., Lam, W.S., Lam, W.H., Mathematical Modelling of Bank Financial Management in Malaysia with Goal Programming Approach, Third International Conference on Computing, Mathematics and Statistics (iCMS2017), Langkawi Island, Malaysia, 28-28 March 2019 (ISBN: 978-981-13-7279-7).
  • Lam, W.S., Liew, K.F., Lam, W.H., INVESTIGATION ON THE PERFORMANCE OF CONSTRUCTION COMPANIES IN MALAYSIA WITH ENTROPY-TOPSIS MODEL, International Conference on Research Methodology in Built Environment and Engineering (ICiRMBEE), Chulalongkorn University, Bangkok, Thailand, 24-25 April 2019 (ISSN: 1755-1315).
  • Lam, W.S., Lam, W.H., A New Enhanced Mean-Extended Gini Model in Portfolio Management with Different Human Behaviour towards Risk Aversion, 5th Global Conference on Business & Social Sciences, Connexion The Vertical Hotel, Kuala Lumpur, Malaysia, 4-5 May 2017 (ISSN: 978-967-1).
  • Lam, W.S., Saiful, H.J., Hamizun, I., Portfolio Optimization for Index Tracking Modelling in Malaysia Stock Market, 2nd International Conference on Mathematical Sciences and Statistics (ICMSS 2016), Kuala Lumpur, Malaysia, 26-28 January 2016 (ISSN: 4952505).
  • Lam, W.H., Lam, W.S., Portfolio Optimization with Mean-Variance Model, 2nd International Conference on Mathematical Sciences and Statistics (ICMSS 2016), Kuala Lumpur, Malaysia, 26-28 January 2016 (ISSN: 4952505).
  • Lam, W.S., Saiful, H.J., Lam, W.H., A New Enhanced Index Tracking Model in Portfolio Optimization with Sum Weighted Approach, The 4th International Conference on Mathematical Sciences (ICMS4), Palm Garden Hotel, IOI Resort, Putrajaya, Malaysia, 15-17 November 2016 (ISSN: 4952505).
  • Lam, W.S., Saiful, H.J., Hamizun, I., The Impact of Human Behaviour towards Portfolio Selection in Malaysia, 2nd Global Conference on Business and Social Science, Kuala Lumpur, Malaysia, 15-16 December 2014 (ISSN: 978-967-1).
  • Saiful, H.J., Lam, W.S., Portfolio Construction in Enhanced Index Tracking Modelling, International Conference on Business Strategy and Social Sciences, Pearl International Hotel, Kuala Lumpur, Malaysia, 16-17 August 2014 (ISSN: 978-969-9).
  • Lam, W.S., Saiful, H.J., Hamizun, I., Enhanced Index Tracking Modelling in Portfolio Optimization with Mixed-Integer Programming Approach, THE 14TH POSTGRADUATE COLLOQUIUM, UKM, 9-10 April 2014 (ISSN: 0094-243X).
  • Lam, W.S., Saiful, H.J., Hamizun, I., Portfolio Optimization in Enhanced Index Tracking with Goal Programming Approach, The 2014 UKM FST Postgraduate Colloquium, UKM, 9-11 April 2014 (ISSN: 0094-243X).
  • Lam, W.S., Saiful, H.J., Hamizun, I., Enhanced Index Tracking Modelling in Portfolio Optimization, International Conference on Mathematical Sciences and Statistics 2013, Sunway Putra Hotel, Kuala Lumpur, 5-7 February 2013 (ISSN: ‎0094243X).
  • Lam, W.S., Saiful, H.J., Comparison between Goal Programming and Cointegration Approaches in Enhanced Index Tracking, Simposium Kebangsaan Sains Matematik-20 (SKSM20), Hotel Palm Garden, Putrajaya, 18-20 December 2012 (ISSN: -).

book chapter
  • Din, M. A., Lam, W. H., Lam, W. S., Choy, W. J., Haw, J. S., Performance Analysis of Logistics Services Companies in Malaysia Using TOPSIS Model, SPRINGER, 2024 (ISBN: 978-981-97-2014-9).
  • Lam, W. S., Lam, W. H., Heng, C. W., Tioh, Y. S., Performance Analysis of Courier Service Providers in Transportation Using TOPSIS Model, SPRINGER, 2023 (ISBN: 978-981-99-5317-2).
  • Liew, K. F., Lam, W. S., Lam, W. H., Analysis on the Performance of Technology Companies Using TOPSIS Model, SPRINGER, 2023 (ISBN: 978-981-99-5317-2).
  • Lim, S. J., Lam, W. H., Lam, W. S., Modelling the Performance Efficiency of Construction Companies in Malaysia Using Data Envelopment Analysis, SPRINGER, 2023 (ISBN: 978-981-99-5317-2).
  • Lee, P.F., Lam, W.S., Lam, W.H., Analysis on the Efficiency of Logistics Companies in Malaysia Using Data Envelopment Analysis Model, Springer, 2023 (ISBN: 978-981-99-5317-2).
  • Lam, W.S., Lam, W.H., Hoh, C.Y., Wong, S.Y., Evaluation of the Preference of Online Food Delivery Providers in Supply Chain Management with AHP Model, Springer, 2023 (ISBN: 978-981-99-5317-2).
  • Lam, W. S., Lam, W. H., Lee, P. F., Bakar, M. A., Analysis on the Performance of Logistics Companies with TOPSIS Model, Springer Singapore, 2023 (ISBN: 978-981-19-3306-6).
  • Lam, W. S., Liew, K. F., Lam, W. H., Bakar, M. A., Analysis on the Financial Performance of Technology Companies in Malaysia with VIKOR Model, Springer, 2023 (ISBN: 978-981-19-9857-7).
  • Lam, W. S., Lee, P. F., Lam, W. H., Boron nitride nanotube for sustainable nanomaterial: A bibliometric analysis, Springer, 2023 (ISBN: 978-981-19-7873-9).
  • Liew, K. F., Lam, W. S., Lam, W. H., Teh, K. X., Evaluation on the preference of web browsers among undergraduates using AHP-TOPSIS Model, Springer, 2023 (ISBN: 978-981-19-7873-9).
  • Lam, W. H., Lam, W. S., Liew, K. F., Din, M. A., Analysis on the Performance of Healthcare Industry in Malaysia with TOPSIS Model, Springer, 2023 (ISBN: 978-981-19-8405-1).
  • Lam, W. H., Lee, P. F., Lam, W. S., Bakar, M. A., Analyzing the Financial Performance of Transportation Companies with Goal Programming Model, Springer, 2023 (ISBN: 978-981-19-8405-1).
  • Lim, S.J., Lam, W.H., Lam, W.S., Evaluation on the Potential Improvement of Construction Sector Companies in Malaysia with Data Envelopment Analysis Model, Springer, 2022 (ISBN: 978-981-16-8667-2).
  • Lee, P. F., Lam, W. S., Lam, W. H., Optimizing the Financial Efficiency of Logistics Companies with Data Envelopment Analysis Model, SPRINGER, 2022 (ISBN: 978-981-16-8514-9).
  • Lam, W. S., Lam, W. H., Lee, P. F., Analysis on the Financial Performance of Companies with TOPSIS Model, SPRINGER, 2022 (ISBN: 978-981-16-8514-9).
  • Liew, K. F., Lam, W. S., Lam, W. H., Evaluation of the Financial Distress Level of Construction Companies in Malaysia using Z-score Model, SPRINGER, 2022 (ISBN: 978-981-16-8514-9).
  • Lam, W. S., Lam, W. H., Chen, J. W., COMPUTATIONAL SCIENCE AND TECHNOLOGY - OPTIMIZATION ON THE FINANCIAL MANAGEMENT OF BANKS WITH TWO-STAGE GOAL PROGRAMMING MODEL, SPRINGER NATURE, 2021 (ISBN: 978-981-33-4068-8).
  • Lam, W. H., Lam, W. S., Yeoh, H. B., Fong, C. Y., Yeap, I. X., Evaluation on the Customer Satisfaction in Intercity Bus Transportation using Analytic Hierarchy Process Model, Springer, 2021 (ISBN: 978-981-16-3640-0).
  • Lam, W. H., Lam, W. S., Din, M. A., Liew, K. F., Evaluation on the performance of logistics companies in Malaysia with TOPSIS model, Springer, 2021 (ISBN: 978-981-16-3640-0).

periodical/magazine
  • , Survival Analysis as A Tool for Bankruptcy Prediction, CMS, UTAR, 2021 (ISBN: 2710-6896).
  • , A review on regression models for longitudinal health data, CMS, UTAR, 2020 (ISBN: 2710-6896).
  • , A Review on Vehicle Routing Problem, CMS, UTAR, 2019 (ISBN: 2710-6896).