De Silva, N.D.; Attanayake, A.P.; Arawwawala, L.D.A.M.; Jayatilaka,K.A.P.W.(Faculty of Graduate Studies & Library, University of Ruhuna, Sri Lanka., 2024-03-20)
De Silva, W.N.D.; Attanayake, A.P.; Arawwawala, L.D.A.M.; Karunaratne, D.N.; Pamunuwa, K.M.G.K.(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)