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Impact and lessons of Uda-Walawe left bank irrigation upgrading and extension project of water resources management

By Aheeyar, M.M.M.. Colombo Hector Kobbekaduwa Agrarian Research and Training Institute 2015 . 41p. 28cm. 9789556121872

By Jayasooriya, H.J.C.. Colombo Hector Kobbekaduwa Agrarian Research and Training Institute 2015 . 43p. 28cm. 9789556121834

By Aheeyar, M.M.M.. Colombo Hector Kobbekaduwa Agrarian Research and Training Institute 2013 . ix,,55p. , Exchange 29 cm. 9789556121612

By Pasmajani, M.T. Colombo Hector Kobbekaduwa Agrarian Research and Training Institute 2014 . viii,56p. , Exchange 29 cm. 9789556121629

By Aheeyar, M.M.M.. Colombo Hector Kobbekaduwa Agrarian Research and Training Institute 2012 . ix,73p. 9789556121445

By Aheeyar, M.M.M.. Colombo Hector Kobbekaduwa Agrarian Research and Training Institute 2012 . viii,50p. 9789556121384