Seneviratne, P.Flegmann, A.W.Wijesekera, G.A.S.2013-05-082013-05-081995Journal of the Rubber Research Institute of Sri Lanka75(1)pp.51-60https://dl-rri.nsf.gov.lk/handle/1/1611BotanyHeveaRubberThe problem of surface sterilization of shoot materials of HeveaA