"Booth, Dexter J" <br/><br/>
"GCSE Computer studies." 

 -  "Pitman"  "1989" 
 -  "x; 367p.:25cm " 
<br/><br/>"N" 
<br/><br/><label>ISBN: </label>"0-273-03081-7" 
<br/><br/><label>Subjects--Index Terms: </label>"Y" 
<br/><br/><label>LC Class. No.: </label>QA76  / .B66