Nishantha, B.M.N.Kularathne, M.G.Semasinghe, W.M.Henegedara, M.2016-07-262016-07-262015Nishantha, B.M.N., Kularathne, M.G., Semasinghe, W.M. and Henegedara, M. 2015. Economic value of water functioning system of paddy field in Sri Lanka. International Journal of Humanities and Social Science, 05, 8(1): 50-59.http://repository.kln.ac.lk/handle/123456789/13864enArticle