O, Leary, T.J. <br/><br/>
Computers and information systems. 
T.J.  O, Leary 
 - 2nd 
 - California:  The Benjamin/Cummings,  1989. 
 - xxix, 687p 
<br/><br/> Includes index 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Office practice-Automation
<br/><br/><label>Dewey Class. No.: </label>658.054  / OLC