Kularatnte, M.G.; Amarasinghe, A.G.; Premarathna, W.M.A.G.H.; Premarathna, W.M.A.G.H.; Dharmasiri, L.M.; Chandrasena, U.A.; Sakalasooriya, N.; Waniganeththi, G.; Fernando, V.; Rathnasekara, S.; Wijesekara, S.; Senarathna, D.; Arunashantha, S.
(Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2016)