Park, J E. <br/><br/>
Textbook of Preventive and Social Medicine 

 - 8th ed. 
 - Jabalpur  MBB  1981 
 - 734p. : ill. ; 28 cm. 
<br/><br/><label>ISBN: </label> RS 65.00 
<br/><br/><label>Dewey Class. No.: </label>614.44 PAR