Fitzgerald, Jerry  & Dennis, Alan <br/><br/>
Business data communications and working 

 - 5th ed 
 - John Wiley, New York  1996 
 - xix,562p figs. 
<br/><br/><label>ISBN: </label>9971-51-189-4 
<br/><br/><label>Dewey Class. No.: </label>384.648 Fit