Park, K <br/><br/>
Textbook of preventive and social medicine 

 - 24th ed. 
 - Jabalpur  Banarsidas bhanot pub.  2017 
 - 976p. 
<br/><br/><label>ISBN: </label>9789382219125 
<br/><br/><label>Dewey Class. No.: </label>616  P22T