Wijethunga, W.T.D.; Shyamali, W.M.W.; Sarangi, E.M.L.N.; Wijekoon, W.A.S.(IRCHSS-2018 and Faculty of Humanities and Social Sciences, University of Sri Jayewardenepura, 2018-11)
Senanayake, B.; Darshana, A.T.; Perera, D.G.P.M.(IRCHSS-2018 and Faculty of Humanities and Social Sciences, University of Sri Jayewardenepura, 2018-11)