Martínez Maldonado, Claudia Estefanía, and Juan de Dios Viramontes Miranda. “The Use of Concrete and Virtual Manipulative Materials in Learning Fractions: 4CP22-31”. Memorias Científicas y Tecnológicas 1, no. 1 (November 22, 2022): 60. Accessed November 3, 2026. http://148.210.21.18/ojs/index.php/memoriascyt/article/view/5554.