"Seng Teh Keng,Yee Loh Cheng" <br/><br/>
Digital world 4 

 - Karachi  Oxford University Press,HEINEMANN  2000 
 - 119 
<br/><br/><label>ISBN: </label>0000000000000 
<br/><br/><label>Dewey Class. No.: </label>510  / T-245