Doyle, Stephen <br/><br/>
Essential GCSE ICT for OCR : teachers guide  

 - New York    Oxford University press  2010 
<br/><br/><label>ISBN: </label>978-1-85008-546-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data processing and computer science
<br/><br/><label>Dewey Class. No.: </label>004 DOY