Dharmaratne, P.G.R.Senaratne, C.P.J.2020-11-082020-11-081987Engineer, 15(3):p.12-20https://dl-iesl.nsf.gov.lk/handle/1/2416Engineering and TechnologyIndustryMineral depositsMining and mineral engineeringGeologyLeachingRemoval of sulphur from graphite powder with particular reference to Kahatagaha - Kolongaha minesArticle