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The cost of production of rice in Kegalle and Kurunegala districts of Sri Lanka
(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 2005) Aheeyar, M.M.; Henegedera, G.M.; Rupasena, L.P.; Hector Kobbekaduwa Agrarian Research and Training Institute
Factors affecting the cost of production of milk in the Kurunegala District
(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 2007) Hitihamu, H.M.S.J.M.; Samantha, N.P.G.; Rathnayake, R.M.G.K.B.; Hector Kobbekaduwa Agrarian Research and Training Institute