Browsing by Author "De Alwis, M.N.de"
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Item Certification of planting material of rubber in Sri Lankan nurseries. processes , constraints and requirements(Rubber Research Institute. Agalawatta, 2007) Senevirathna, A.M.W.K.; Seneviratna, P.; Weerakoon, U.S.; De Alwis, M.N.de; Zoysa, L.; Pathirana, P.D.; Chaminda, J.