Ariyasinghe, H.P.D.D.2017-03-132017-03-132016Ariyasinghe, H.P. Dulani Dilhani 2016. ද්වි ආංශික ආකෘතිය පිළිබඳ විශ්ලේෂණාත්මක විග්‍රහයක්. Arthikavidya, Journal of Economics Students’ Society, Economics Student Society, Department of Economics, University of Kelaniya, Sri Lanka. 11(1): 132-144.1800-1327http://repository.kln.ac.lk/handle/123456789/16743enArticle