Park, K.   . <br/><br/>
Text Book of Preventive and Social Medicine /   Textual Documents 

 - 14th /   . 
 -  Banar Sodas Bhanot Pub.  ,   1994. 
 - 1400 ;    
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Index Terms: </label>Medical Science  Preventive and Social Medicine 
<br/><br/><label>Dewey Class. No.: </label>614  / PAR