Fernando, T. D.; Mathota-Arachchige, Y. L. N.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
Nawarathne, W. N. C. P.; Mathota-Arachchige, Y. L. N.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
Jayasekera, L. D. H. S.; Mathota-Arachchige, Y. L. N.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)