Jayalath, P.Dissanayake, C.B.Jayawardhane, W.M.2016-05-062016-05-062011https://dl-ifs.nsf.gov.lk/handle/1/1398FluorosisGround waterBrick chipfilterVilachchiyaMitigation of the fluoride and hardness in ground water in dry zone area in Sri LankaConference Paper