Wiles, Kimball. <br/><br/>
Supervision for better schools 
[by] Kimball Wiles [and] John T. Lovell. 
 - 3th ed. 
 - Englewood Cliffs, N.J.  Prentice-Hall  c1967 
 - viii, 343 p.  illus.  24 cm. 
<br/><br/>Bibliography: p. 307-323. 
<br/><br/><label>ISBN: </label>0138761027 (ed. 1975) 
<br/><br/><label>LCCN: </label>91016353  
<br/><br/><label>Subjects--Topical Terms: </label><br/>School supervision
<br/><br/><label>LC Class. No.: </label>LB2805  / .W5 1967 
<br/><br/><label>Dewey Class. No.: </label>371.2/013