Ganegoda, S.S.; Chinthaka, S.D.M.; Manage, P.M.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
Ganegoda, S.; Chinthaka, S.D.M.; Manage, P.M.(International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)