Karunaratne, G.2020-11-082020-11-081991Engineer, 19(1):p.47-56https://dl-iesl.nsf.gov.lk/handle/1/2391Engineering and TechnologyWater pollutionMathematical modelWaste water disposalHydraulic engineeringWater qualityUse of water quality models in management of river water qualityArticle