Using information Technology  a practical introduction to computers and communications 
Sawyer Stacey C. 
 - 7th ed. 
 - Boston  McGraw-Hill  2007 
 - 554p. 
<br/><br/><label>ISBN: </label>978-0-07-226071-7 
<br/><br/><label>Subjects--Topical Terms: </label>--School of Pure and Applied Sciences
<br/><br/><label>LC Class. No.: </label>QA76.5  / .S21 2007