Leffingwell, William H  <br/><br/>
Textbook of office management 

 - 3 ed. 
 - New York :   McGraw-Hill Book Company,   c1950 
 - xiv, 649 p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>administración oficina<br/>oficina-administración
<br/><br/><label>Dewey Class. No.: </label>651.0000 L52