Kodituwakku, T.D.; Abeywickrama, K.; Karunanayake, K.O.L.C.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
Botheju, W.S.M.; Hewavitharana, N.,; Kannangara, S.D.P.; Abeywickrama, K.(International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
Dilhani, S.; Wimalasiri, S.; Abeywickrama, K.; Kannangara, S.(International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)