Using information technology : a practical introduction to computers & communications 
Williams, Brian K. 
 - 11th ed. 
 -  McGraw-Hill Book Company,  2015 
 - 621 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-0-07-351688-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information systems.
<br/><br/><label>Dewey Class. No.: </label>004 W7211 2015