Burch, John G. <br/><br/>
Information systems :  theory and practice / 
John Burch, Gary Grudnitski. 
 - 5th ed. 
 - New York :  John Wiley & Sons,  1989. 
 - 571 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0471612936 
<br/><br/><label>LCCN: </label>88-31935 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management information systems