Roy, Rabindra Nath  Saha, Indranil <br/><br/>
MAHAJAN & Gupta textbook of preventive and social medicine   xvii,702p 
/Rabindra Nath Roy, Indranil Saha 
 -  4th 
 -  Jaypee Brothers Medicals Publishers  2013 
<br/><br/> it includes index 
<br/><br/><label>ISBN: </label>9789350901878