O'brien, James A. <br/><br/>
Management information systems / 
James A. O'brien , George M. Marakas 
 - 9th ed. 
 - New York:  Mc Graw Hill,  2009. 
 - xxxii, 659 p. 
<br/><br/><label>Dewey Class. No.: </label>658.4 OBR 2009 23504  / 23504