Horwitz, Geoffrey B. <br/><br/>
Computer operating systems: investment or overhead? 
by Geoffrey B. Horwitz and Michael Dendy Young 
 - New York  AMACOM  1975 
 - 31p 
 - AMA Management Briefing .
<br/><br/><label>ISBN: </label>0 8144 2182 2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing departments --Management
<br/><br/><label>Dewey Class. No.: </label>I5372 H789