Journal of the Rubber Research Institute of Sri Lanka

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Profit efficiency of smallholder rubber farmers in Kegalle, Kalutara and Ratnapura districts
(Rubber Research Institute. Agalawatta, 2010) Edirisinghe, J.; Wijesuriya, W.; Bogahawatte, C.
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.
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.