Perera, R. N. N.; Magamage, M. P. S.; Siriwardhana, C.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Dissanayake, C. T. M.; Weerasinghe, V. P. A.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Gunawardane, N.D.P.; De Croos, M. D. S. T.; Amarasinghe, U.S.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)