GUPTA, M.C. MAHAJAN, B.K. <br/><br/>
TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 

 - 2nd Ed. 
 - New Delhi  Jaypee Brothers Medical Publishers, New Delhi   1995 
<br/><br/><label>ISBN: </label>81 7179 414 9 
<br/><br/><label>Dewey Class. No.: </label>613  / MAH/TE