Park,k <br/><br/>
Text book of Preventive & Social Medicine 

 - 19 
 -  Banaras Das   2007 
 - 768,P.,  NO 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comm Med
<br/><br/><label>Dewey Class. No.: </label>614.4