Fernando, D.M.Tambiah, S.MAbeywardena, A.V.Samaranayake, P.2012-06-252012-06-251971Journal of the Rubber Research Institute of Sri Lanka47(1-2)pp.70-72https://dl.nsf.gov.lk/handle/1/8835A study of the heritability of oil content in cotyledons of Hevea seedlingsArticle