Ramakumar, R  . <br/><br/>
Technical demography /  
by R Ramakumar. 
 - New Delhi :   Wiley Eastern Ltd. ,   1986 
 - 219p :  
<br/><br/><label>ISBN: </label>0-85226-743-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography
<br/><br/><label>Dewey Class. No.: </label>Y:5  / M6