Ratan, Vidya <br/><br/>
Viv in Preventive and social Medicine   (Hygiene and Public Health) 

 - Fourth ed, 
 - New Delhi :  Jaypee Brothers Medical Publishers,  2005. 
 - 143 p, 
<br/><br/><label>ISBN: </label>81-7179-785-7 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>614.44