SINGH, Brijendra <br/><br/>
Data Communications And Computer Networks 

 - 3rd Ed. 
 -  PHI Learning Pvt. Ltd. ,  2011 
 - 399p 
<br/><br/><label>ISBN: </label>978-81-203-4466 
<br/><br/><label>Dewey Class. No.: </label>4.6  / SIN/D