Williams, Brian K., <br/><br/>
Using information technology. 
Brian K. Williams 
 - 11th  Edition 
 - New York :  McGraw Hill Education.  2015 
 - 588 pages :  images, figures ;  28  cm. 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>9781259255663 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems. <br/>Information technology.
<br/><br/><label>Dewey Class. No.: </label>004   / W721u