Ranjan, S.P.2020-12-272020-12-272005Engineer, 38(1):p.25-31https://dl-iesl.nsf.gov.lk/handle/1/2745Environmental SciencesGroundwater vulnerabilityWalawe river basinDRASTIC modelLand use patternGroundwater pollutionGeographical information systemsAssessment of groundwater vulnerability in Walawe river basin, Sri LankaArticle