Samajik vigyan : Humare atit-2, kaksha 7 ke liye itihas ki patthye pustak.  3 Vols. 
NCERT 
 - Dehradun, India  Kendriya Braille Press   2009 
<br/><br/><br/>Braille books 
<br/><br/><label>Source: </label>TextBook