Urban growth and economic development in the Sahel / 
by Michael A . Cohen [et al ..] 
 - Washington, D.C:  World Bank,  1979 
 - 120 p.:  ill.;  27 cm. 
 - World Bank staff working paper;  no. 315 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Urbanization--Sahel<br/>City planning--Sahel