Park, K. <br/><br/>
Park's Textbook of Preventive and Social Medicine 

 - 18th ed. 
 - Jabalpur  Banarsidas Bhanot  2005 
 - 711p. 
<br/><br/><label>ISBN: </label>8190128280 
<br/><br/><label>Dewey Class. No.: </label>614.44  / PAR/PAR