Samajik vigyan: Samkaleen Bharat 1: Kaksha 9 ke liye bhugol ki patthyapushtak. 
NCERT 
 - New Delhi, India  National Council of Educational Research and Training  2006 
 - iv,66p. 
<br/><br/><label>ISBN: </label>81-7450-525-3 
<br/><br/><label>Source: </label>Reference