Lakmini, A.L.A.; Seneviratne, G.; Madushani, K.P.K.(International Postgraduate Research Conference 2019, Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 2019)
Rathnathilaka, A.T.D.; Seneviratne, G.; Madawala, H.M.S.P.; Rizvi, E.M.J.M.(International Postgraduate Research Conference 2019, Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 2019)