Rao, B. Sridhar <br/><br/>
Rao-Questions and Answers in Preventive and Social Medicine, 2/Ed. 

 - 2nd Edition 
 - Delhi  AITBS Publishers  2023 
 - 192 
<br/><br/><label>ISBN: </label>9789374734643 
<br/><br/><label>Dewey Class. No.: </label>610  / Rao/Q