Ray, Charles M. Dr. <br/><br/>
Office automation  : a system approach 
Dr. Charles M. Ray, Dr. Janet J. Palmer and Army D.wohl 
 - 3rd.ed. 
 - USA:  South Western Educational Publishing,  1995. 
 - xiii,625p. 
<br/><br/><label>ISBN: </label>0538710470 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Office practice- Automation
<br/><br/><label>Dewey Class. No.: </label>651.7  / RAO