Ramanayake, N. S.; Kumari, M. A. A. P.; Nayananjalie, W. A. D.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Sandamali, L.; Kumudu, R.; Sajani, R.M.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
Samarawardhane, H.R.T.T.; Radampola, K.; Rathnapala, J.M.S.N.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)