Dahanayake, K.Subasinghe, S.M.N.D.2016-05-062016-05-061989National Symposium on "The Eppawala Phosphate Deposit-Recent Advances in Knowledge":p.12https://dl-ifs.nsf.gov.lk/handle/1/1412Mineralogical and solubility variations in the different compositional zones of the Eppawala phosphate depositConference Paper