INTERNATIONAL irrigation management institute
Annual report 1988,International irrigation management institute - Colombo International irrigation management institute 1989 - 64 p.
9290901071
Research institutes,Irrigation management,Planing,Policy
631.7 / INT
Annual report 1988,International irrigation management institute - Colombo International irrigation management institute 1989 - 64 p.
9290901071
Research institutes,Irrigation management,Planing,Policy
631.7 / INT