Wijayasinghe, W.A.G.2015-05-182015-05-182007Wijayasinghe, W.A.G., 2007. කම්මසරික්ඛතා ව්‍යවහාරයේ සදාචාරමය වටිනාකම, Proceedings of the Annual Research Symposium 2007, Faculty of Graduate Studies, University of Kelaniya, pp 09.http://repository.kln.ac.lk/handle/123456789/7536enArticle