Adaptive teaching of Fractions: A comparative educational approach in the United States and Spain. Revista Universitaria del Caribe, [S. l.], v. 33, n. 1, p. 17–28, 2026. DOI: 10.5377/ruc.v33i1.22774. Disponível em: https://www.camjol.info/index.php/RUC/article/view/22774. Acesso em: 3 jul. 2026.