Selvaratnam, Sobana; Yogarajah, B.; Jeyamugan, T.; Ratnarajah, Nagulan(Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)
Shamika, U. B. P.; Panduwawala, P. K. P.G.; Weerakoon, W. A. C.; Dilanka, K. A. P.(Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)
Weerakkody, H. D. W.; Niwunhella, D. H. H.; Wijayanayake, A. N.(Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)
Prabodhika, A. P. K. J.; Niwunhella, D. H. H.; Wijayanayake, A. N.(Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)
Thalagahage, N. T. H.; Wijayanayake, A. N.; Niwunhella, D. H. H.(Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)