Thilakarathna, K.A.A.N.; Major Mendis, H.S.D.(4th International Conference on Social Sciences 2018, Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2018)
Kumara, M.R.S.; Thilakarathna, K.A.A.N.; Wijesuriya, M.W.A.D.N.; Weerasinghe, M.K.(Department of Library and Information Science, University of Kelaniya, Sri Lanka, 2023)