Supervision : Concepts and practices of management 
Hilgert, Raymond L. 
 - Seventh edition. 
 -  South Western College Publishing.  1998 
 - 660   pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-538-86353-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Personnel management.
<br/><br/><label>Dewey Class. No.: </label>658.302 H55s 1998