Cohen Burton J. <br/><br/>
Cost effective information systems 
Cohen Burton J. 
 - New York  American Management Association U. S. A.      1971 
 - 69p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operational Management
<br/><br/><label>Dewey Class. No.: </label>X:8:(B2893), L1