Yapa, P.A.J.2010-07-062010-07-062010-07-06https://dl.nsf.gov.lk/handle/1/5497Hevea brasiliensisDeproteinized Natural RubberTyre RubberSuperior Processing RubberConstant Viscosity RubberSri LankaRubber IndustryEducationNatural Rubber (in sinhala)