William Stallings <br/><br/>
Data & computer communications / 
William Stallings 
 - 9th ed. 
 - USA:  always Learning;  2014. 
 - xv, 863 P. :  ill;  24 cm. 
<br/><br/> include index. 
<br/><br/><label>ISBN: </label>9789332518865 
<br/><br/><label>Subjects--Topical Terms: </label><br/>computer science/Database
<br/><br/><label>Dewey Class. No.: </label>621.382  / STA-D