Leffingwell , William H.  <br/><br/>
Text Book of Office Management / 
William H. Leffingwell and  Edwin M. Robinson. 
 - 3rd ed. 
 - New Delhi :   McGraw Hill ,   1986 
 - 649 p. :  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Dewey Class. No.: </label>651.3  / LEO