Thamel, W.M.P.; Premaratne, W.A.P.J.(International Postgraduate Research Conference 2019, Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 2019)
Jeyasakthy, S.; Premaratne, W.A.P.J.(International Postgraduate Research Conference 2019, Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 2019)