Challenges of leadership in African development / 
edited by Olusegun Obasanjo and Hans D' Orville 
 - New York :  Crane Russak ,  1990 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Africa--Economic policy--Congresses.<br/>Africa--Economic conditions--Congresses.--1960<br/>Political leadership--Congresses.--Africa