Studies in demography vol 1 / 

 - Trivandrum :  Demographic research centre,  1963. 
 - 67p. : 
<br/><br/> Vol 1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography
<br/><br/><label>Dewey Class. No.: </label>304.62  / STU/S.1