Silver, Gerald A. <br/><br/>
Data communications for business, 2nd ed. / Gerald A. Silver, Myrna L. Silver. 

 - 2E 
 - Boston : Boyd & Fraser Pub. Co., C1991. 
<br/><br/><label>ISBN: </label>053498231X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic commerce. 
<br/><br/><label>Dewey Class. No.: </label>650.02854 SIL