Hapuarachchi, H. T. S.; Magalle, C. H.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
Ravindran, U. M.; Perera, B. B. U. P.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
Dikella, D. G. T. N.; Rajapakse, C. S. K.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
Madhubhashini, M. G. A. K.; Attanayake, A. M. C. H.; Sooriyaarachchi, D. J. C.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)