Singh, Brijendra <br/><br/>
Data communications and computer networks 

 - 2nd Edn. 
 - New Delhi  Prentice - Hall of India  2006 
 - xiv  357p.  24 cm. PB 
<br/><br/><label>ISBN: </label>8120329694 
<br/><br/><label>Dewey Class. No.: </label>004.6  / SIN