Investigation of sex age maxital stages and educational ehaxactenstics of census and population / 

 -  United nations, 
 - 25p. : 
 - Statistics of census methods no 5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Census and population
<br/><br/><label>Dewey Class. No.: </label>304.6  / INV/I