Bradley, Ray. <br/><br/>
Understanding computer science :  for advanced level. 

 - 3rd. 
 - Cheltenham :  Stanley Thornes,  1995. 
 - xxvi, 709p :  : ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0748719792 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science Information technology.