Beasley, Jeffrey S. <br/><br/>
Modern electronic communication 
Jeffrey S Beasley 
 - Upper Saddle Rive   Pearson Education  2008 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>LC Class. No.: </label>TK 5101 .B43 2008