Weerakkody, L. R.; Withrana, C.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Kumara, W. G. C.; De Zoysa, P.; Balasuriya, A.; Fernando, N. F. J.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Chandrasiri, I. W. C. P.; Weerasooriya, M.K.B.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka. p.6, 2019)
Chamindi, K. A. W.; Rodrigo, W. W. P.; Jayawardhana, B. J. G.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Pathiraja, S. P. K. S. S.; Rajapaksa, R. P. G. K.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Senevirathna, M. A. T. M.; Ratnayake, R. M. C. S.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Dandeniya, D. A. M. N.; Ratnayake, R. M. C. S.; Kumari, S. A. S. M.(. 4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka., 2019)
Kumarage, C. A.,; Weerasooriya, M. K. B.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)