PÉREZ ARIZA , Lic. Karel; DR. C. JOSÉ EMILIO HERNÁNDEZ SÁNCHEZ , Dr. C. José Emilio Hernández Sánchez. The comprehension of mathematic problems in primary school. Transformación, [S. l.], v. 11, n. 2, p. 15–26, 2024. Disponível em: https://transformacion.reduc.edu.cu/index.php/transformacion/article/view/458. Acesso em: 20 nov. 2025.