Indigenous integrated farming systems in the Sahel - Speirs, Mike 1956-; Olsen, Ole 1942-. (Washington, D.C. World Bank, 1992)
One folded col. map tipped in.
Includes bibliographical references (p. 75-80).
Keywords: Traditional farming -- Sahel; Agriculture -- Economic aspects -- Sahel; Rural development -- Sahel; Integrated agricultural systems -- Sahel; Sahel -- Economic policy