Medawatte, K.A.J.P.K.; Ranaweera, H.K.C.K.; De Silva, T.T.(IRCHSS-2018 and Faculty of Humanities and Social Sciences, University of Sri Jayewardenepura, 2018-11)
Thowfeek, R.U.; Vimukthi, N.D.U.; Miriyagalla, U.P.(IRCHSS-2018 and Faculty of Humanities and Social Sciences, University of Sri Jayewardenepura, 2018-11)
Kapukotuwa, K.M.A.; Ranasinghe, G.; Abeynayake, M.D.I.K.; Vidanapathirana, G.K.; Wimalasuriya, I.G.R.N.(IRCHSS-2018 and Faculty of Humanities and Social Sciences, University of Sri Jayewardenepura, 2018-11)