Impact assessment of rehabilitation intervention in the Gal Oya left bank
Amarasinghe, Upali A.
Impact assessment of rehabilitation intervention in the Gal Oya left bank - Colombo International Irrigation Management Institute 1998 - 23p. - No.18; IIMI research report .
333.913.548.7
Impact assessment of rehabilitation intervention in the Gal Oya left bank - Colombo International Irrigation Management Institute 1998 - 23p. - No.18; IIMI research report .
333.913.548.7