Stair.,Ralph, Eynolds., George. <br/><br/>
Principles of Information Systems on line  [Book /] 
Ralph Stair. George Reynolds. 
 - 7th ed. 
 - Australia :  Thomson Course Technology,  2006. 
 - 758p. :  ill; coll ;  28 cm. 
<br/><br/><label>ISBN: </label>0619215259 
<br/><br/><label>Dewey Class. No.: </label>658.4038