MONTALVO COBOS, G. V.; LAZO TAFUR, Y. J.; ASTUQUILCA QUÍJADA, I. M.; FIGUEROA MEJÍA, O. A. Learning Methods Based on Problem Solving as a didactic alternative in the achievement of mathematical competencies. Revista Iberoamericana de educación, [S. l.], 2021. DOI: 10.31876/ie.vi.86. Disponível em: https://revista-iberoamericana.org/index.php/es/article/view/86. Acesso em: 14 may. 2026.