Gupta , M. C.   . <br/><br/>
Text Book of Preventive and Social Medicine /   Textual Documents 

 - 3rd /   1991. 
 - New Delhi :   Jaypee Brothers Med. Pub. ,   2003. 
 - 1682 ;    
<br/><br/><label>ISBN: </label> 790.00 
<br/><br/><label>Subjects--Index Terms: </label>Community Medicine  Medical Science 
<br/><br/><label>Dewey Class. No.: </label>614  / GUP