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Mechanization, livelihood pattern and labour usage in paddy production in dry zone

By Bamunuarachchi, B.A.D.S.. Colombo Hector kobbekaduwa agrarian research and training institute 2018 . ix,50p. 29cm.. 9789556122404

By Bamunuarachchi, B.A.D.S.. Colombo Hector kobbekaduwa agrarian research and training institute 2017 . x,56p. 29cm.. 9789556122299

By Chandrasiri, J.K.M.D.. Colombo Hector Kobbekaduwa Agrarian Research and Training Institute 2016 . 52p. 29cm. 9789556121995

By Chandrasiri, J.K.M.D.. Colombo Hector Kobbekaduwa Agrarian Research and Training Institute 2015 . 61p. 28cm. 9789556121889

By Bamunuarachchi, B.A.D.S.. Colombo Hector Kobbekaduwa Agrarian Research and Training Institute 2013 . ix,54p. 29 cm. 9789556121605

By Chandrasiri, J.K.M.D.. Colombo Hector Kobbekaduwa Agrarian Research and Training Institute 2013 . ix,49p. 9789556121476