Monographs
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Item The effectiveness of agricultural extension methodology(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 1977) Nikahetiya, S.B.R.; Gunawardena, A.T.M.; Asmar, Samir; Wijeratne, C.M.; Agrarian Research and Training InstituteItem Kirindi Oya Irrigation and settlement project:an assessment of the agricultural extension programme(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 1987) Kariawasam, T.; Hector Kobbekaduwa Agrarian Research and Training InstituteItem Study on farm support services in the Kirindi Oya irrigation and land settlement project(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 1993) Tennakoon, D.; Jayasuriya, M.R.T.; Hector Kobbekaduwa Agrarian Research and Training InstituteItem The training and visit agricultural extension programme in Matara district:an evaluation(Hector Kobbekaduwa Agrarain Research and Training Institute:Colombo, 1982) Hindori, D.; Renselaar, J.V.; Hector Kobbekaduwa Agrarain Research and Training InstituteItem The training and visit system of extension:a paper based on experiences in the training and visit of system of extension under the Kurunegala Rural Development Project(Hector Kobbekaduwa Agrarain Research and Training Institute:Colombo, 1981) Gunawardana, A.M.T.; Chandrasiri, A.; Hector Kobbekaduwa Agrarain Research and Training Institute