Bandara, K. R. V.; Chinthaka, S. D. M.; Manage, P.M.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Ganegoda, S. S.; Chinthaka, S. D. M.; Manage, P.M.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)