"Bale, David" <br/><br/>
A-Level and AS-Level Computer Science 

 - UK  ,Cambridge University Press,Longman Singapore Publishers Pte Ltd  1990 
 - 259 
<br/><br/><label>ISBN: </label>9780582057821 
<br/><br/><label>Dewey Class. No.: </label>001.642  / T-1