Dehideniya, K.M.S.A.K.; Bulugahapitiya, V.P.; Sabaragamuwa, R.S.; Kananke, T.C.(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2024-01-24)
Manawadu, H. C.; Chathumalee, M. A. D. D.; Bulugahapitiya, V.P.; Raigamkoralage, R.(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)