Dias, D.P.Dissanayake, C.B.De Silva, N.R.Chandrajith, R.Jayasinghe, U.L.B.Nimalasiri, T.B.2016-01-212016-01-212012Ceylon Journal of Science (Physical Sciences), 16:p.31-36https://dl-ifs.nsf.gov.lk/handle/1/1089Preliminary Investigations on the Hydrocarbon Potential of a Recently Discovered Black Shale Deposit in the North-East of Sri LankaArticle