Wijeratne, S.V.; Wijayawardhana, R.M.; Ukwatte, D.N.; Dilrukshi, B.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)
Madushani, M.D.; Seneviratne, B.H.; Maduwansha, N.A.N.J.(IRCHSS-2018 and Faculty of Humanities and Social Sciences, University of Sri Jayewardenepura, 2018-11)