Park ,k. <br/><br/>
TEXT BOOK OF PREVENTIVE  AND SOCIAL MEDICINE, 

 - 18 
 -  Banarsidas  2005 
 - 711,P.  NO 
<br/><br/><label>ISBN: </label>8190128280 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comm Med
<br/><br/><label>Dewey Class. No.: </label>614.4  / PAR