Ramanaka, A.R.N.D.; Semasinghe, W.M.; Wehigaldeniya, W.G.D.S.; Oshani, P.A.L.; Dilshani, P.Y.H.; Dissanayake, N.B.(Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2016)
Ramanaka, A.R.N.D.; Bandara, K.A.W.P.; Wehigaldeniya, W.G.D.S.; Oshani, P.A.L.; Dilshani, P.Y.H.; Jayantha, K.(Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2016)
Wehigaldeniya, W.G.D.S.; Ubesekara, B.M.E.J.; Weerakoon, W.M.R.K.(4th International Conference on Social Sciences 2018, Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2018)
Silva, M.L.M.; Priyanjila, A.S.D.; Wehigaldeniya, W.G.D.S.; Pushpa Kumara, W.A.; Madusanka, R.W.B.M.D.(4th International Conference on Social Sciences 2018, Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2018)
Perera, K.B.P.; Kularatne, M.G.; Wehigaldeniya, W.G.D.S.(4th International Conference on Social Sciences 2018, Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2018)