Browsing by Author "Keerthi, S.M.G.S."
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Item Persuasive extension program for coconut growers -a performance evaluation in Kurunegala district(Coconut Research Institute of Sri Lanka. Lunuwila, 2005) Keerthi, S.M.G.S.; Wanigasundara, W.A.D.P.; Appuhamy, P.A.H.N.; Gunawardane, A.M.A.P.G.