Park K <br/><br/>
Parks text book of preventive and social medicine 

 - 22 Ed. 
 - Jabalpur  Banarsidas bhanot  2013 
 - 876 
<br/><br/><label>ISBN: </label>9789382219026 
<br/><br/><label>Dewey Class. No.: </label>614  / PAR/PR