Nawalage, N.M.S.K.; Pathiratne, A.(International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
Weerasekara, K.A.W.S.; Pathiratne, A.; Kithsiri, H.M.P.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)