Betts, P.W ,  <br/><br/>
Supervisory studies a managerial perspective / 
P.W. Betts 
 - Fifth edition 
 - London :  Pitman Publishing,  1989 
 - vii, 550 pages :  illustration ;  23 cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0273034405 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Supervisory<br/>Managerial
<br/><br/><label>LC Class. No.: </label>HF5549.15 B48