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

 - 23rd. ed. 
 - Jabalpur  M/S Banarsidas Bhanot  2015. 
 - 936 p. 
<br/><br/><label>ISBN: </label>9789382219057 
<br/><br/><label>Source: </label> 1615.00 PKR