Amarasingha, N.D.; Darshana, I.; Abeyratne, M.K.; Bodhika, J.A.P.; Dharmaratna, W.G.D.(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2018-03-15)
Amarasingha, N.D.; Darshana, I.; Abeyratne, M.K.; Bodhika, J.A.P.; Dharmaratna, W.G.D.(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2018-02-15)
Perera, T.C.I.; Abeysuriya, U.I.P.; Amarasingha, N.D.; Sethunga, S.M.N.; Bodhika, J.A.P.(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)