GUEVARA BENÍTEZ, Y.; HERMOSILLO GARCÍA, Ángela; LÓPEZ HERNÁNDEZ, A.; DELGADO SÁNCHEZ, U.; GARCÍA VARGAS, G. R.; RUGERIO TAPIA, J. P. Mathematical skills in students from a low social and cultural stratum. Acta Colombiana de Psicología, [S. l.], v. 11, n. 2, p. 13–24, 2008. Disponível em: https://actacolombianapsicologia.ucatolica.edu.co/index.php/acta-colombiana-psicologia/article/view/297. Acesso em: 6 nov. 2026.