Citation:Ruwanthi, W.G.R. 2015. වී ගොවියා මුහුණපාන ගැටලූ පිළිබඳ අධ්යයනයක්. National Conference on Applied Social Statistics Research (NCASSR), Social Statistics Students’ Association, Department of Economics, University of Kelaniya, Sri Lanka. pp 50-51.