DÍAZ SÁNCHEZ, M. Y. . Development of Mathematical Skills Using the Heuristic Method of George Pólya Adapted to a Virtual Environment. Revista Docencia Universitaria, [S. l.], p. 39–40, 2021. DOI: 10.18273/revd.vesp1-2021020. Disponível em: https://revistas.uis.edu.co/index.php/revistadocencia/article/view/14201. Acesso em: 20 may. 2024.