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)
Kumara, H.W.R.; Nahallage, C.A.D.; Huffman, M.A.(IRCHSS-2018 and Faculty of Humanities and Social Sciences, University of Sri Jayewardenepura, 2018-11)
Udatiyawala, D.S.; Weerasena, U.M.; Ranagala, D.L.; Vidanapathirana, G.K.; Ruwanthika, O.G.S.A.; Abeynayake, M.D.I.K.(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)