Sugataratana Thero, Kahapola2017-04-042017-04-042002Sugataratana Thero, Kahapola 2002. Nirvana and Nivrtta. Proceedings of the Annual Research Symposium 2002, Faculty of Graduate Studies, University of Kelaniya, pp 06.http://repository.kln.ac.lk/handle/123456789/16901enArticle