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Escobar Durán, U. and Tirado Segura, F. (2021) “Pensamiento relacional en la escolarización de la jerarquía de operaciones y álgebra temprana en primaria”, Revista Latinoamericana de Investigación en Matemática Educativa, 24(1), pp. 9–34. doi:10.12802/relime.21.2411.