Data And Computer Commmunation. 
by Stallings,Williams. 
 - Eigth Edition 
 - New Delhi,   Prentice-Hall Of India  Private Limited,   2007. 
 - 878p. 
<br/><br/><label>ISBN: </label>978-81-203-3078-8 
<br/><br/><label>Subjects--Topical Terms: </label>--School of Pure and Applied Sciences
<br/><br/><label>LC Class. No.: </label>TK5105   /  .S73 2007