Oliveira, Quintino Martins de, and Francisco José Quaresma de Figueiredo. “Education of the Deaf in Brazil: a Historical Overview and New Perspectives”. Revista Sinalizar 2, no. 2 (December 20, 2017): 174–197. Accessed October 6, 2026. https://teste.revistas.ufg.br/revsinal/article/view/50544.