Llewellyn, Robert W. <br/><br/>
Information systems / 
Robert W. Llewellyn 
 - New Jersey :  Prentice Hall,  c1976. 
 - xiv, 347 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0134644875 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management<br/>Information<br/>System.
<br/><br/><label>LC Class. No.: </label>T58.6  / .L58 1976 
<br/><br/><label>Dewey Class. No.: </label>658.403  / L791i