Park, K. <br/><br/>
Park's Textbook of Preventive and Social Medicine 

 - 19th 
 - Jabalpur  M/s Banarsidas Bhanot  2007 
 - 768 
<br/><br/><label>Publisher. No.: </label> Gaangaram Book Bureau 
<br/><br/><label>Subjects--Personal Names: </label> Social Work 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Work