Betts,  P. W. <br/><br/>
Supervisory studies  / 
P. W. Betts. 
 - 4th ed. 
 - London :  Pitman,  1983. 
 - 498 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0273026232 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management.<br/>Supervision of employes
<br/><br/><label>Dewey Class. No.: </label>658.3  / BES 1983