Somarathna, G. M. T. K.; Somachandra, K. P.; Attanayake, R. N.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Mahalingam, T.; Somachandra, K. P.; Rajapakse, C. S. K.; Attanayake, R. N.(International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)