Campbell, bonita <br/><br/>
Understanding information systems 

 - New delhi:  Prentice hall of india,  1979. 
 - 153p.  21cm 
<br/><br/><label>ISBN: </label>0876920881 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management and auxiliary services
<br/><br/><label>Dewey Class. No.: </label>658.4  / CAM