Lal, S. <br/><br/>
Textbook of Community Medicine: Preventive and Social Medicine 

 - 5th ed. 
 - New Delhi  CBS Publishers & Distributors Pvt. Ltd.  2017 
 - xxv, 814p. : ill. ; 28 cm. 
<br/><br/><label>ISBN: </label> RS 895.00 
<br/><br/><label>Dewey Class. No.: </label>614.44 LAL