Hewawitharana, G.H.A.U.; Nawarathne, U.M.L.A.; Hassan, A.S.F.; Wijerathna, L.M.; Sinniah, Ganga D; Vidhanaarachchi, Samitha P.; Wickramarathne, Jagath; Wijekoon, Janaka L.
(Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2023)