Wickramasinghe, W.P.C.S.; Dias, R.K.S.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
Dias, R.K.S.; Udayakantha, W.S.; Thotagamuwa, A.; Fernando, K.S.S.D.; Madushani, N.(International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
Dias, R.K.S.; Wackhoo, A.A.; Akbar, S.A.(International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)