%0 Journal Article %T Editorial %A Lucia Maria Martins Giraffa %J Revista Brasileira de Inform¨¢tica na Educa£¿£¿o %D 2009 %I Comiss?o Especial de Inform¨¢tica na Educa??o %U http://www.br-ie.org/pub/index.php/rbie/article/view/74