Coelho, I.M. 2009. A LECTURE GIVEN AT UNIVERSIDADE FEDERAL DE GOIÁS ON THE OCCASION OF THE CONFERRING OF PROFESSOR PAULO FREIRE WITH AN HONORARY DEGREE, ON NOVEMBER 11 1988. Journal Inter-Ação. 34, 1 (Jun. 2009), 245–249. DOI:https://doi.org/10.5216/ia.v34i1.6571.