Rathnabahu, R.M.N.; Gamage, R.(4th International Conference on Social Sciences 2018, Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2018)
Perera, W.P.G.L.; Suraweera, S.A.D.H.N.(3rd International Conference on Library and Information Management, Department of Library and Information Science, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2019)