Harvard Educational Review 61 

 - São Paulo  Harvard Educational Review  Fev. 1991 
 - 124 
 - 20091203 
 - Harvard Educational Review  61 .
<br/><br/><label>ISSN: </label>1679-656X 
<br/><br/><label>Dewey Class. No.: </label>HER 2009  / 2009