O'Brien , James A. <br/><br/>
Introduction to information systems 

 - 12th ed. 
 - New Delhi  Tata McGraw-Hill  2008 
 - xxx p. + 452 
<br/><br/><label>ISBN: </label>0-07-058971-2 
<br/><br/><label>Dewey Class. No.: </label>658.4038011 O6I