Dharmasena, P.B.2013-10-102013-10-102013Vidurava, 29(3):p.3-9https://dl.nsf.gov.lk/handle/1/9960Natural ResourcesWater useWater resource managementRainfallHydraulicsIrrigationLandscapeIndigenous agricultureRiver basinsNatural disastersTraditionsWater use in ancient eraArticle