Wiles, Jon. <br/><br/>
Supervision, a guide to practice 
Jon Wiles, Joseph Bondi. 
 - 4th ed. 
 - Englewood Cliffs, N.J.  Prentice Hall  c1996. 
 - xix, 391 p.  tables. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0675081688 
<br/><br/><label>LCCN: </label>79090125  
<br/><br/><label>Subjects--Topical Terms: </label><br/>School supervision
<br/><br/><label>LC Class. No.: </label>LB2805  / .W495 
<br/><br/><label>Dewey Class. No.: </label>371.2