Ekanayake, E. M. M. S.; Wijesekara, I.; Manage, P.M.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Liyanage, G. Y.; Manage, P.M.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)