Navoda, G.D.S.; Rathnayake, R.M.G.U.K.; Seneviratne, B.H.(IRCHSS-2018 and Faculty of Humanities and Social Sciences, University of Sri Jayewardenepura, 2018-11)
Anuradhi, S.L.A.J.C.; Gurunada, G.H.D.J.P.; Withanage, D.P.(IRCHSS-2018 and Faculty of Humanities and Social Sciences, University of Sri Jayewardenepura, 2018-11)