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)
Apeksha, I.A.U.; Weerasooriya, M.K.B.(International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)