Cogan, Morris L <br/><br/>
Clinical supervision / 
by Morris L. Cogan 
 - Boston :  Houghton Mifflin,  1972 
 - xiii, 236 p. :  ill. ;  25 cm. 
<br/><br/>Bibliography: p. 223-229. 
<br/><br/><label>ISBN: </label>0395140277 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School supervision