Jayathilake, P.H.G.D.N.; Jayapathma, J.H.M.K.S.; Gurusinghe, K.S.(Department of International Studies, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2023)
Anuththara, W.A.P.; Gunasinghe, P.G.N.S.; Kankanamge, K.K.P.A.(Department of International Studies, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2023)