Introduction to Business information system / 
Huber, Mark W. [et..ai] 
 - Canada:  John Wiley & Sons ,  2008. 
 - xxv,548 p,: 
<br/><br/><label>ISBN: </label>9780470840306 
<br/><br/><label>LC Class. No.: </label>HD30.2  / .H82  2008