Yogaratnam, N.2012-07-312012-07-312004Bulletin of the Rubber Research Institute of Sri Lanka45pp.39-441391-0051https://dl.nsf.gov.lk/handle/1/9138AgricultureRubber industryProductivity enhancementPlant protectionEconomic viabilityIncome StabilitySocial acceptabilitySustainability of the rubber industryArticle