Leffingwell, William Henry <br/><br/>
Textbook of office management 
by William Henry Leffingwell and Edwin Marshall Robinson 
 - 3rd ed. 
 - New Delhi  McGraw-Hill  1975 
 - xii, 469p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial efficiency<br/>Office management
<br/><br/><label>Dewey Class. No.: </label>I53 L521