Bedi, Yash Pal <br/><br/>
Handbook of Preventice And Social Medicine 

 - 17th 
 - New Delhi  CBS Publication & Dist.  2003 
 - 298 
<br/><br/><label>ISBN: </label>9789386478245 
<br/><br/><label>Dewey Class. No.: </label>613.7  / BED-H