Park, K. <br/><br/>
Park's textbook of preventive and social medicine. 

 - 20th 
 - India  M/s Banarsidas Bhanot  2009 
 - 832p. 
<br/><br/> Book 
<br/><br/><br/>Eng. 
<br/><br/><label>ISBN: </label>9788190607940 
<br/><br/><label>National Library of Medicine Call No.: </label>WA 31