The three-minute classroom walk-through  changing school supervisory practice one teacher at a time 
Carolyn J. Downey -- et al. 
 - ed. 
 - [S.l.]  Corwin Press  2004 
 - xv, 202 p. 
<br/><br/><label>ISBN: </label>0761929665 (cloth) 0761929673 (pbk.)