Walsh Myles E <br/><br/>
Understanding computers  what managers and users need to know 

 - Jhon wiley, New york  1981 
 - XII, 266p 
<br/><br/><label>ISBN: </label>0-471-08191-4 
<br/><br/><label>Dewey Class. No.: </label>621.38195 Wal