Díaz-Cardenas, Alfonso F., Alfonso Díaz-Furlong, Hector Adrian Díaz-Furlong, M. Rayo Sankey-García, e Gemma Zago-Portillo. «Multiplication and division of fractions: numerical cognition development and assessment procedures». Revista Latinoamericana de Investigación en Matemática Educativa 22, no. 3 (novembro 15, 2019). Acedido outubro 13, 2026. https://www.relime.org/index.php/relime/article/view/37.