LOJA-DELEG, A. P.; DOMINGUEZ, A. J.; ALCIVAR-CASTRO, E. J. A didactic strategy for enhancing mental Mathematical computation in elementary school. International journal of physics and mathematics, [S. l.], v. 7, n. 1, p. 16-24, 2024. DOI: 10.21744/ijpm.v7n1.2339. Disponível em: https://sloap.org/journal/index.php/ijpm/article/view/2339. Acesso em: 13 oct. 2025.