Browsing by Author "Jayasinghe, R.M.N.P.K."
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Item Gem resources in Sri Lanka(NSF:Colombo, 2019-07) Jayasinghe, R.M.N.P.K.Item Sedimentary geochemistry of alluvial overburden in the primary gem deposit of Pelmadulla, Sri Lanka(NSF:Colombo, 2019-06) Jayawardana, D.T.; Madusanka, R.M.T.D.; Jayasinghe, R.M.N.P.K.; Adikaram, A.M.N.M.; Udagedara, D.T.