Stallings, William <br/><br/>
Data and computer communications / 

 - 8 th. 
 - New Delhi,  Prentice Hall,  c2008. 
 - xvii,879 p. ;  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>9788120330788 
<br/><br/><label>Dewey Class. No.: </label>004.622