[1]
A. F. Díaz-Cardenas, A. Díaz-Furlong, H. A. Díaz-Furlong, M. R. Sankey-García, and G. Zago-Portillo, “Multiplication and division of fractions: numerical cognition development and assessment procedures”, RELIME, vol. 22, no. 3, Nov. 2019, doi: 10.12802/relime.19.2234.