Roy, Rabindra Nath <br/><br/>
Mahajan & Gupta Textbook of Preventive and Social Medicine 

 - 4th ed. 
 - New Delhi  Jaypee Brothers  2023 
 - xi, 692p. : ill. ; 25cm. 
<br/><br/><label>Dewey Class. No.: </label>614.44 ROY