Population research leads. 

 - New York :  United Nations ,  1981 
 - 44p. :  ill. ;   22 cm.  
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population research
<br/><br/><label>Dewey Class. No.: </label>304.66  / UNO