Survey of economic and social conéditionsin africa, 1989-1990/ United Nations 

 - New York:  United Nations,  1992 
 - 182 p. 
<br/><br/> exemplares 
<br/><br/><label>LCCN: </label>true true 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Condicoes economicas-africa
<br/><br/><label>Universal Decimal Class. No.: </label>