GUPTA, MC. <br/><br/>
Textbook of preventive and social medicine  xvi, 646p.; ill. 
MC Gupta, BK Mahajan.  
 -  3rd ed.  
 -  Jaypee Brothers Publishers,   2003 
<br/><br/> “It includes references and index” 
<br/><br/><label>ISBN: </label>81-8061-070-5