Held, Gilbert <br/><br/>
Understanding Data Communications Seventh Edition 

 - India  Pearson Education Publisher 
 - Soft Binding  xv        765 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>81-297-0211-8 
<br/><br/><label>Subjects--Topical Terms: </label>--Data Communications
<br/><br/><label>Dewey Class. No.: </label>004.6 HEL-U