JONES, B.      R. <br/><br/>
The focus model:   systematic school improvement for all schools/   X, 165p. ill. 
B. R. Jones 
 -  CORWIN press,    2014 
<br/><br/> “It includes index and references” 
<br/><br/><label>ISBN: </label>ISBN: 978-1-4833-4427-0