Roy, S. <br/><br/>
Multimedia 

 - 1st 
 - Delhi  Gully Baba Publishing House  2010 
 - 250p. 
<br/><br/> 17484 
<br/><br/><label>ISBN: </label>978899863593  140 
<br/><br/><label>Dewey Class. No.: </label>006.7 ROY-M