Levels and trends of fertility in sri lanka :  a district lavel analysis / 

 - New York :  United Nations,  1986. 
 - 48p. : 
<br/><br/><label>ISBN: </label>00668451 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertility in Sri Lanka
<br/><br/><label>Dewey Class. No.: </label>616.69  / LEV/L