Thalpawila, O.N.(4th International Conference on Social Sciences 2018, Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2018)
Pushpamali, W.M.V.(1st International Studies Students’ Research Symposium-2017 (ISSRS 2017) ,Department of International Studies, Faculty of Social Sciences, University of Kelaniya, Sri Lanka., 2017)