Walker, D. W. <br/><br/>
Computer based information systems : an introduction  [Books]. 
D. W. Walker. 
 - Sydney  Pergamamon Press  1988 
 - Pages: 370 
<br/><br/><label>ISBN: </label>0080344356  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Electronic data processing.<br/>Information storage and retrieval systems.
<br/><br/><label>Dewey Class. No.: </label>QA/76  / WAL