Shelly , Gary. B ,Cashman , Thomas.J ,Serwatka , Judy. A <br/><br/>
Business data communications ,introductory concepts and techniques 

 - 3RD 
 - USA  THOMAS LEARNING  2001 
 - XVI,P 
<br/><br/><label>ISBN: </label>0-7895-5958-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BUSINESS-DATA PROCESSING. BUSINESS- COMMUNICATIONS SYSTEM LOCAL AREA NETWORK.DATA TRANSMISSION SYSTEMS
<br/><br/><label>Dewey Class. No.: </label>004.6 SHE