Díaz Hernández, Luis Guillermo, and Francisco Javier Ruiz Ortega. “The Didactic Store : A Strategy to Promote Problem Solving With Multiplicative Structure in 4th Grade of Primary School”. Latinoamericana de Estudios Educativos 15, no. 2 (July 1, 2019): 134–157. Accessed October 2, 2024. https://revistasojs.ucaldas.edu.co/index.php/latinoamericana/article/view/250.