Using information technology : a practical introduction to computers & communications 
Williams, Brian K.,. 
 - Eleventh edition. 
 -  McGraw Hill Education,  2015 
 - xxxii, 588 p. 
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<br/><br/><label>ISBN: </label>0-07-351688-0 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information technology.
<br/><br/><label>Dewey Class. No.: </label>004 W716 2015