Samajik vigyan: Samajik evam rajneetik jeevan 3: Kaksha 8th ke liye patthya pushtak. 4 Vol. 
NCERT. New Delhi 
 - Dehradun, India  Kendriya Braille Press  2010 
<br/><br/><br/>Braille books 
<br/><br/><label>Source: </label>TextBook