Samajik vigyan: Samajik evam rajnitik jeevan-1: Kaksha 6th ke liye patthyapushtak. 2 Vol. 
NCERT. New Delhi 
 - Dehradun, India  Kendriya Braille Press  
<br/><br/><br/>Braille books 
<br/><br/><label>Source: </label>TextBook