"LEADBETTER, CHRIS" <br/><br/>
CAMBRIDGE IGCSE COMPUTER STUDIES COURSEBOOK (PHOTOCOPY) 

 - UK  ,CAMBRIDGE UNIVERSITY PRESS  2011 
 - 306 
<br/><br/><label>ISBN: </label>9780521170635 
<br/><br/><label>Dewey Class. No.: </label>001.642  / T-31