Karunaratne, S.W.Goonewardena, L.Medagama, D.D.2012-06-252012-06-251971Journal of the Rubber Research Institute of Sri Lanka47(1-2)pp.65-69https://dl.nsf.gov.lk/handle/1/8834Evaluation of locally available raw material in the natural rubber industry part 1: graphiteArticle