Panko, Raymond R. <br/><br/>
Business data networks and telecommunications 

 - 7th ed. 
 - London  Pearson  2009 
 - 621 p 
<br/><br/><label>ISBN: </label>978-0-13-500939-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>London
<br/><br/><label>LC Class. No.: </label>HD 30.37 .P36/