JORGE RINCÓN CASTILLO; ORLANDO GARCÍA HURTADO,; JOSÉ CIRO ANZOLA. Activities Based On Non-Routine And Recreational Problems, To Improve The Learning Of School Mathematics. Elementary Education Online, [S. l.], v. 19, n. 2, p. 1338–1352, 2023. Disponível em: https://ilkogretim-online.org/index.php/pub/article/view/6691. Acesso em: 21 nov. 2024.