DIAS, Ana Lúcia Braz; SHEIKHNAVASSI, Tony Salvatore. Between knowing and teaching: obstacles to understanding fractions in teacher education. Educação Matemática Debate, Montes Claros, v. 9, n. 18, p. 1–21, 2025. DOI: 10.46551/emd.v9n18a18. Disponível em: https://www.periodicos.unimontes.br/index.php/emd/article/view/8172. Acesso em: 5 dez. 2025.