Bandara, W. R. N. M.; Liyanage, J. A.; Kumarasinghe, A. R.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Weerasinghe, M. A. S. N.; Liyanage, J. A.; Kumarasinghe, A. R.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)