John Hattie <br/><br/>
Visible Learning for Teachers: Maximizing Impact on Learning 

 - New York�  Routledge  2012 
 - 286p.; 21cm. 
<br/><br/><label>ISBN: </label>9780415690140 
<br/><br/><label>Dewey Class. No.: </label>371.1 HAT