Samarappuli, I.N.Tilekeratne, L.M.K.De Silva, K.Wickramaratne, C.S.2014-07-102014-07-101997Bulletin of the Rubber Research Institute of Sri Lanka, 35(Special Issue):p.22-41https://dl-rri.nsf.gov.lk//handle/1/2404IndustriesArticle