Abeysingha N, Madusanka M, Rotawewa B, Gunasena N. Variation of Water Quality of Four Micro Watersheds Outlets in Upstream of Mahaweli River during Maha Cropping Season. JTFE [Internet]. 2020 Feb. 11 [cited 2024 Nov. 22];9(2). Available from: http://journals.sjp.ac.lk/index.php/JTFE/article/view/4467