Bulletin of the Rubber Research Institute of Sri Lanka

Permanent URI for this collectionhttps://dl.nsf.gov.lk/handle/1/9047

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Guide to communication campaign planning. a lesson from rubber sector
(Rubber Research Institute. Agalawatta, 1994) Samarappuli, I.N
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.