Singh Brijendra <br/><br/>
Data Communications and Computer Networks 
Singh Brijendra 
 - 3rd 
 - New Delhi  Printice Hall of India  2011 
 - xvi,399p 
<br/><br/><label>ISBN: </label>978812034466 
<br/><br/><label>Dewey Class. No.: </label>5.71  / SI-D