Data communication and computer network 
Ritu, Soni. 
 -  Swastic Publications,  2015 
 - 240 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-9-38199198-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.
<br/><br/><label>Dewey Class. No.: </label>004.6 S6989 2015