Technology-mediated didactic strategy to strengthen the learning of combined operations in seventh grade. Revista Científica Estelí, [S. l.], v. 13, n. 51, p. 99–116, 2024. DOI: 10.5377/esteli.v13i51.19004. Disponível em: https://revistas.unan.edu.ni/index.php/Cientifica/article/view/4580. Acesso em: 10 oct. 2025.