Karunaratne, B.S.B.Ekanayake, P.Tennakoon, T.M.T.N.2016-10-202016-10-201993Proceedings of the 49th Annual Sessions of the Sri Lanka Association for the Advancement of Science:p.186https://dl.nsf.gov.lk/handle/1/23419PhyscisZiconium mineralsExtractionX-ray diffraction analysisArticleRG/91/P/003FR 0673