Textbook of Community Medicine  preventive and social medicine 
Sunder Lal ,Adarsh and Pankaj 
 - 4th 
 - New Delhi,india.  CBS Publisher and Distributors  
 - ix,786p.  ilus.,index. 
<br/><br/><label>ISBN: </label>9788123924472 
<br/><br/><label>LC Class. No.: </label>RA425 L35 2014