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Item Farmers perspectives. expectations and constraints faced by smallholder rubber farmers in Moneragala(Rubber Research Institute of Sri Lanka. Agalawatta, 2005) Dissanayake, D.M.A.P.; Wijesuriya, W.; Abeywardene, V.Item Analysis of ranking exercises in participatory rural appraisal (PRA). a case study from the smallholder rubber sector(Rubber Research Institute. Agalawatta, 2005) Wijesuriya, W.; Thattil, R.O.Item Profit efficiency of smallholder rubber farmers in Kegalle, Kalutara and Ratnapura districts(Rubber Research Institute. Agalawatta, 2010) Edirisinghe, J.; Wijesuriya, W.; Bogahawatte, C.Item Poverty alleviation through improvement in technical efficiency in the smallholder rubber sector: case study from Kegalle District of Sri Lanka(Rubber Research Institute:Agalawatta, 2017) Ishani, P.G.N.; Wijesuriya, W.; Sankalpa, J.K.S.Item Adoption of technologies in immature rubber holdings. a case study in the Kalutara district(Rubber Research Institute. Agalawatte, 2004) Wijesuriya, W.; Abeywardena, V.; Guneratne, R.B.Item Use of grass root level information for effective policy making and extension planning. experiences from the smallholder rubber sector(Rubber Research Institute of Sri Lanka. Agalawatta, 2009) Wijesuriya, W.; Dissanayake, A.Item Preference ranking as a participatory tool in identifying farmers' perceptions in planning effective dissemination programmes(Rubber Research Institute. Agalawatta, 2003) Wijesuriya, W.; Dissanayake, D.M.A.P.; Wijeratne, M.; Edirisinghe, J.; Herath, K.; Abeywardene, V.