Ground-water development and management in developing countries : 25 years of United Nations activities, 1963-1988 /
United Nations. Department of Technical Co-operation for Development.
- New York : United Nations, 1989.
- v, 37 p. : maps ; 28 cm.
9211043158
Groundwater--Developing countries
333.9104 / UNG
9211043158
Groundwater--Developing countries
333.9104 / UNG