Samajik vigyan : Bharat aur samkaleen vishwa-1, kaksha 9 ke liye itihas ki patthyepustak. 5 Vols. 
NCERT 
 - Dehradun, India  Kendriya Braille Press   2008 
<br/><br/><br/>Braille books 
<br/><br/><label>Source: </label>TextBook