Singh, J. P. <br/><br/>
Technology for the blind: Concept and context 

 - New Delhi  Kanishka Publishers  2007 
 - xvi, 271p. 
<br/><br/><label>ISBN: </label> RS 175.00 
<br/><br/><label>Source: </label> RS 175.00 
<br/><br/><label>Dewey Class. No.: </label>305.41 SIN