Panko, Raymond R. <br/><br/>
Business data networks and telecommunications / 
Raymond R. Panko. 
 - 7th ed. 
 - London :  Pearson,  2009. 
 - 621p. 
<br/><br/><label>ISBN: </label>0135009390 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business entriprises--Computer networks.<br/>Computer networks--Management--Study guides.