Birtwistle John. <br/><br/>
Computing and information systems. 

 - ed. 
 - london :  Pearson,  2005. 
 - 886  p. :  ill ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>information systems.