CINTRA, Cristiane C. F.; FARIA, Débora Felício. Workshop: Soroban and teaching Mathematics for people with visual impairments. Sigmae, [S. l.], v. 2, n. 2, p. 1–6, 2013. Disponível em: https://publicacoes.unifal-mg.edu.br/revistas/index.php/sigmae/article/view/212. Acesso em: 23 nov. 2024.