Williams, Brian K <br/><br/>
Using information technology : a practical introduction to computers & communications : introductory version 
Brian K. Williams, Stacey C. Sawyer 
 - 9th ed 
 - New York  McGraw-Hill Companies  2011 
 - xxviii, 420 p. : col. ill. ; 28 cm 
<br/><br/> Includes bibliographical references (p. 400-412) and index 
<br/><br/><label>ISBN: </label>9780077331085 
<br/><br/><label>ISSN: </label>2009048458 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Information technology<br/>Telecommunication systems
<br/><br/><label>Dewey Class. No.: </label>004 WIL