Toward environmentally sustainable development in sub-Saharan Africa - Washington, Estados Unidos The World Bank 1996 - 140 p. 23 cm. Bibliografía: p. 129-140 ISBN: 0-8213-3599-5 Subjects--Topical Terms: BANCO MUNDIALDESARROLLO SUSTENTABLE - AFRICA Dewey Class. No.: 338.96/W893to