Land degradation and food supply issues and options for food self-sufficiency in Africa. 

 - New York :  ECA ,  1992 
 - 16p. :  ill. ;  32 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Land<br/>food
<br/><br/><label>Gov. Doc. Class. No.: </label>UN ECA Lan