Samajik vigyan: Bharat aur samkaleen vishva-2, kaksha 10 patthyakaram ke liye itihas ki patthyapushtak. 4 Vols 
NCERT. New Delhi 
 - Delhi, India  A.B.U./A.I.C.B. Brail Press 
<br/><br/><label>Source: </label>TextBook