"Stair, Ralph M." <br/><br/>
Principles of infomation systems/ 
Ralph M. Stair  
 - Singapore:  "Thomson,"  2008 
 - 652p. 
<br/><br/><label>ISBN: </label>81-315-0320-8 
<br/><br/><label>Subjects--Index Terms: </label>Information Systems 
<br/><br/><label>Dewey Class. No.: </label>4