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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 Crop fluctuations in coconut(Coconut Research Institute:Lunuwila, 1966) Abeywardene, V.Item Rainfall behaviour in rubber growing areas of Sri Lanka(Rubber Research Institute of Sri Lanka. Agalawatta, 2002) Wijesuriya, W.; Herath, K.; Abeywardene, V.; Vidyawardene, J.Item Some issues related to sustainability in the smallholder rubber sector(Rubber Research Institute . Agalawatta, 2007) Wijesuriya, W.; Dissanayake, D.M.A.P.; Herath, K.; Edirisinghe, J.; Abeywardene, V.Item Income status of rubber smallholders in the Moneragala district. reporting from participatory rural appraisals done in four villages(Rubber Research Institute. Agalawatta, 2005) Herath, K.; Wijesuriya, W.; Puhambugoda, R.; Abeywardene, V.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.