Sudan  a country study 
edited by Helen Chapin Metz. 
 - 4th ed. 
 - Washington  Library of Congress  1992. 
 - xxxiii, 336 p.  ill., maps  24 cm. 
 - Area handbook series .
<br/><br/> Includes index. 
<br/><br/><label>LCCN: </label>9221336 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Sudan