K.Park <br/><br/>
Park's textbook of preventive and social medicine. 
K. Park 
 - 26th ed. 
 - Madhya Pradesh :  Banarsidas Bhanot Publishers,  2021. 
 - 1032 p.  30 cm. 
<br/><br/><label>ISBN: </label>978-938-2219-16-3 
<br/><br/><label>Dewey Class. No.: </label>928 PAR