Seneviratne, P.Nugawela, A.Ramawickrama, D.2012-07-312012-07-311996Bulletin of the Rubber Research Institute of Sri Lanka33pp.34-44https://dl.nsf.gov.lk/handle/1/9201AgricultureRubberHigh yielding varietiesPlanting materialSelectionThe importance of selecting planting materials at nursery stageArticle