Citation:Gunasekara, K.D.H.U., Sandamali, M.A.D.N., Fernando, K.D.A.K. and Padmasika, P.A.T. 2015. අයවැය හිඟය හා බදු අදායම. National Conference on Applied Social Statistics Research (NCASSR), Social Statistics Students’ Association, Department of Economics, University of Kelaniya, Sri Lanka. pp 56-57.
