Park, K. <br/><br/>
Park's Text Book of Preventive & Social Medicine 

 - 18th 
 - Jabalpur  Banarasidas Bhanot  2005 
 - 711p. 
<br/><br/><label>ISBN: </label> RS 500.00 
<br/><br/><label>Dewey Class. No.: </label>614.44 PAR