Sergiovanni Thomas J <br/><br/>
Emerging patterns of supervision : Human perspectives 

 - New York, USA  McGraw-Hill Book Company  1971 
 - ix,309p. 
 - McGraw-Hill in education .
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School Administration