Shelly, Gary B. <br/><br/>
Business data communications : introductory concepts and techniques / 
Gary B. Shelly, Thomas J. Cashman, Serwatka. 
 - 3rd ed. 
 -  Course Technology  2001. 
<br/><br/>9016 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business - Data processing.<br/>Business - Communication systems - Data processing.<br/>Local area networks (Computer networks).<br/>Data transmission systems.
<br/><br/><label>LC Class. No.: </label>HF5548.2  / She.