Population growth and manpower in the Sudan 

 -  1964 
 - Its population studies; 37 .
<br/><br/><label>Standard No.: </label>141,109 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLOGY
<br/><br/><label>Dewey Class. No.: </label>Y1:50aX:9.672.N5, K4(906)