Weerasooriya, R.Kuruppuarachchi, T.Dissanayake, C.B.2016-07-042016-07-041989National Workshop on Instream Ecology and Reservoir Production of the Mahaweli Basin : a Modified Ecosystem:p.6https://dl-ifs.nsf.gov.lk/handle/1/1556The aquatic chemistry of nutrient levels of Mahaweli river: a quantitative approachArticle