TY - BOOK AU - Speirs,Mike AU - Olsen,Ole ED - World Bank TI - Indigenous integrated farming systems in the Sahel T2 - World Bank technical paper, SN - 0821321803 PY - 1992/// CY - Washington, D.C. PB - World Bank (WB) KW - Traditional farming KW - Sahel KW - Agriculture KW - Economic aspects KW - Rural development KW - Integrated agricultural systems KW - Economic policy N1 - One folded col. map tipped in; Includes bibliographical references (p. 75-80) ER -