Withana, D.Silva, E.I.L.2016-05-062016-05-061991The Second International Symposium on the Geology of Sri Lanka:p.38https://dl-ifs.nsf.gov.lk/handle/1/1351Water chemistry and sedimentation processes of a micro-catchment (Nilambe Oya) of the upper Mahaweli river basinConference Paper