Roy,Rabindra Nath. <br/><br/>
Mahajan and Gupta Textbook of preventive and social medicine 

 - 4 
 - India  :Japee Brothers 
 - 703p. 
<br/><br/><label>ISBN: </label>9789789350901870 
<br/><br/><label>Dewey Class. No.: </label>ROY