Perera, Theruwanda; Wickramarachchi, Ruwan; Wijayanayake, A. N.(Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)
Kithulwatta, W. M. C. J. T.; Jayasena, K. P. N.; Kumara, B. T. G. S.; Rathnayaka, R. M. K. T.(Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)
Perera, M. A. S. M.; Wijayanayake, A. N.; Peter, Suren(Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)
Jayasooriya, Prathap V.; Siriwardana, Geethal C.; Bandara, Tharaka R.(Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)