AHSEC. <br/><br/>
BISWA ITIHASHAR BISHAY BASTU SAMUH (Textbook For H.S. -XII) 

 - 2ND. 
 - NEW DELHI  NCERT  2011 
 - 300:  24CM. 
<br/><br/><label>Subjects--Index Terms: </label>History & geography 
<br/><br/><label>Dewey Class. No.: </label>900 AHS