K. Park <br/><br/>
Text book of Preventive & Social Medicine 

 - Varanasi  Bhanot Pub.Jabalpur  2019 : 
 - 868 
<br/><br/><label>ISBN: </label>978-93-82219-05-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Swasthvritta
<br/><br/><label>Dewey Class. No.: </label>AYU  / PAR