Publikationen in Zusammenarbeit mit Forschern von Universidad Distrital Francisco José de Caldas (2)

2023

  1. Comparing the views of the theory of objectification and the onto-semiotic approach on the school algebra nature and learning

    Mathematics Education Research Journal, Vol. 35, Núm. 3, pp. 475-496

2011

  1. Why is the learning of elementary arithmetic concepts difficult? Semiotic tools for understanding the nature of mathematical objects

    Educational Studies in Mathematics, Vol. 77, Núm. 2-3, pp. 247-265