DiPaola  <br/><br/>
Principals improving instruction : supervision, evaluation, and professional development  
/ Michael F. DiPaola, Wayne K. Hoy. 
 - Boston  Pearson/Allyn and Bacon  2008. 
 - viii, 312p.  ill.  24cm 
<br/><br/> Includes index p.309 - 312 
<br/><br/><label>ISBN: </label>9780205491025  
<br/><br/><label>Subjects--Topical Terms: </label><br/>School principals--United States<br/>School supervision--United States
<br/><br/><label>Dewey Class. No.: </label>371.2012 DIP 2008