yuill, B. <br/><br/>
Supervision principles and techniques 

 - Sydney  West  1974 
 - ix,300p. 
<br/><br/><label>ISBN: </label>0 85582 042 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Supervision
<br/><br/><label>Dewey Class. No.: </label>658.302  / Y8S