Williams, Brian K.,   1938- <br/><br/>
Using information technology :  a practical introduction to comput ers & communications / 
Brian K. Williams, Stacey C. Sawyer. 
 - 9th ed. 
 - Boston :  McGraw Hill,   c2011. 
 - xxiv, 563 p. :  col. ill. ;   28 cm. 
<br/><br/> Complete version 
<br/><br/>Includes bibliographical references (p. 535-555) and index. 
<br/><br/><label>ISBN: </label>9780073516752 (alk. paper) 0073516759 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Telecommunication systems.<br/>Information technology
<br/><br/><label>Dewey Class. No.: </label>004