Wijesuriya, W.Dissanayake, A.2012-07-312012-07-312009Bulletin of the Rubber Research Institute of Sri Lanka50pp.69-81https://dl.nsf.gov.lk/handle/1/9214AgricultureRubberSmallholdersAgricultural extensionInformation managementParticipatory rural appraisal (PRA)Methodology for participatory Assessment (MPA)SWOT analysisGeographic information systems (GIS)Bayesian belief network (BBN)Policy planningUse of grass root level information for effective policy making and extension planning. experiences from the smallholder rubber sectorArticle