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

 - Estados Unidos : McGraw-Hill 
 - 649p. / 25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. OFFICE MANAGEMENT
<br/><br/><label>Dewey Class. No.: </label>651.4 L154t