Dilrukshi, A. A. S.; Weerasooriya, M. K. B.(4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
Hiruni, H. K.; Weerasooriya, M. K. B.(Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)