Wijekoon, W.M.C.J.; Jayasinghe, G.Y.; Priyankara, A.C.P.; Kumari, D.L.C.; Navarathna, C.M.(Centre for Quality Assurance, University of Ruhuna, Matara, Sri Lanka, 2023-09-21)
Lakmali, M.G.T.; Sandeepani, D.M.M.; Wijerathna, P.N.M.M.; Samaraweera, G.C.(Centre for Quality Assurance, University of Ruhuna, Matara, Sri Lanka, 2021-09-21)
Rathnayake, Nirmala; Hettihewa, Sujeewa; Gunawardena, Kalani; Kotapola, Imendra(Centre for Quality Assurance, University of Ruhuna, Matara, Sri Lanka, 2021-09-21)