Williams,Brian K. <br/><br/>
Using information technology :  a practical introduction to computers and communications. 

 - 9th  ed. 
 - new york :  McGrawhill,  2011. 
 - 577  p. ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label>9780073516776 :  $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>computers.