Cunningham, William G. <br/><br/>
Educational leadership :  a bridge to improved practice / 
William G. Cunningham, Paula A. Cordeiro. 
 - 4th  ed. 
 - Boston :  Pearson,  2009. 
 - xviii, 462  p. 
<br/><br/><label>ISBN: </label>020557842x : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School management and organization--United States.<br/>Problem-based learning--United States.