Farias, Kátia Sebastiana C. dos Santos. “Practices Aritmethics in Teachers Training at Normal School of Rio De Janeiro Province”. Educação: Teoria e Prática 26, no. 51 (April 29, 2016): 112–125. Accessed July 18, 2024. https://www.periodicos.rc.biblioteca.unesp.br/index.php/educacao/article/view/9750.