Revista latinoamericana de investigación en matemática educativa On-line version ISSN 2007-6819Print version ISSN 1665-2436
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DIAZ-CARDENAS, Alfonso F. et al. Multiplication and division of fractions: numerical cognition development and assessment procedures. Relime [online]. 2019, vol.22, n.3, pp.333-362.
Epub May 05, 2021. ISSN 2007-6819.