Park .K <br/><br/>
Parks Textbook of Preventive and Social Medicine 
/ by K.Park 
 - 23rd ed. 
 - India  M/S Banarsidas Bhanot  2015 
 - 936p. 
<br/><br/><label>ISBN: </label>9789382219057 
<br/><br/><label>Dewey Class. No.: </label>614.44  / PAR/P