Rajapakshe, I.H.Galagedara, L.W.Najim, M.M.M.2014-11-192014-11-1920081016-1422http://repository.kln.ac.lk/handle/123456789/3933Microbial water quality variations in consumable water sources and pollution contributions by Pussalla Oya Catchment CommunitiesArticleEnvironmental Management