Morris, Ben <br/><br/>
Some aspects of professional freedom of teachers:  an international pilot inquiry / 
Ben Morris. 
 - París :  UNESCO, 
 - 213 p. :  fots. 
 - Monographs on education ;  IX .
<br/><br/><label>ISBN: </label>9231014242 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>371.12 (100) =20 MOR No.9