Sudasinghe, M.I.Galagedara, L.W.Gunawardena, E.R.N.2014-11-122014-11-122011Tropical Agricultural Research, 22(2):p.154-164https://dl.nsf.gov.lk/handle/1/12416Environmental SciencesSanitationSewerage effluent disposalSewarage treatment plantsPerformance evaluationHealth hazardsWater QualityEnvironmental pollutionWastewater treatmentSocio economic aspectsInstitutional aspectsA