It Encyclopaedia.Com <br/><br/>
IT encyclopaedia.com: v 6 :graphical user interface 

 - 1st 
 - New Delhi  Pentagon Press  2000 
 - xii,340p p. 
<br/><br/><label>ISBN: </label>81-86830-09-x 
<br/><br/><label>Subjects--Index Terms: </label>Information technology