Betts, P. W. <br/><br/>
Supervisory management / 
P W  Betts. 
 - 6th ed. 
 - Long Acre:  Pitman,  1993 
 - ix, 422p. :  ill. ;  26cm. 
<br/><br/>Includes Bibliographies and Index. 
<br/><br/><label>ISBN: </label>0273600575 
<br/><br/><label>LC Class. No.: </label>HF5549 .B48 1993