Jayantha, K.; Ariyawansa, R.G.; Kumara, U. Anura
(Jayantha K.; Ariyawansa R.G.; Kumara U. Anura (2022), Right View on Sustainability, Volume 03, Issue 02, Department of Social Statistics, Faculty of Social Sciences University of Kelaniya Sri Lanka, Faculty of Graduate Studies - University of Kelaniya, Sri Lanka. 33-54., 2022)