Citation:Rajapaksha, R.M.G.G. 2015. උඩරට එළවළු නිෂ්පාදනයේ උච්චාවචනය කෙරෙහි බලපාන සාධක. National Conference on Applied Social Statistics Research (NCASSR), Social Statistics Students’ Association, Department of Economics, University of Kelaniya, Sri Lanka. pp 38.