Dissanayake, D. M. N. M.; Jayalal, S. G. V. S.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
Ifhaam, M. F. A.; Jayalal, S. G. V. S.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)