Sergiovanni, Thomas J. <br/><br/>
Supervision :  a redefinition / 
Thomas J. Sergiovanni, Robert J. Starratt, Vincent Cho. 
 - 9th ed. 
 - New York, NY :  McGraw-Hill,  2014. 
 - xiii, 199 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9780073378664 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School management and organization--United States.<br/>School supervision--United States.