Weerasinghe, V. P. A.; Dilshara, R. M. P.; Liyanage, P. M.; Perera, G. L. D. N.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Antalyn, B.; Weerasinghe, V. P. A.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Thotagamuwa, H. T. B. N.; Weerasinghe, V. P. A.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Vaigunthan, T.; Lansakara, L. M. A. P.; Weerasinghe, V. P. A.(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)