Keys, Bernard. <br/><br/>
Supervision  concepts, skills, and assessment 
Bernard Keys, Joy Henshall. 
 - 2nd ed. 
 - New York  Wiley  c1990. 
 - xv, 480 p.  ill.  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0471635456 
<br/><br/><label>LCCN: </label>89036300  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Supervision of employees
<br/><br/><label>LC Class. No.: </label>HF5549  / .K465 1990 
<br/><br/><label>Dewey Class. No.: </label>658.3/02