Basu ,S.C. <br/><br/>
Hand book of preventive and social medicine, 

 - 2 
 -  Current books Int.  2004 
 - 480,P.  NO 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comm Med
<br/><br/><label>Dewey Class. No.: </label>614.4  / BAS