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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
Last Updated on September 15, 2019
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