Humphrey, Brad,  1958- <br/><br/>
The 21st century supervisor :  nine essential skills for frontline leaders / 
Brad Humphrey, Jeff Stokes. 
 - San Francisco, Calif. :  Jossey-Bass/Pfeiffer,  2000. 
 - xiv, 332 p. :  ill. ;  24 cm. 
<br/><br/> Fakulti Keusahawanan dan Perniagaan 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0787946842 9780787946845 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Supervision of employees.<br/>Supervisors.