Godino, J. D.; Neto, T.; Wilhelmi, M. R.; Aké, L. P.; Etchegaray, S.; Lasa, A. Algebrization Levels of School Mathematics Practices. Networking of the Onto-Semiotic and Anthropological Perspectives. AIEM 2015, No. 8, 117-142. https://doi.org/10.35763/aiem.v1i8.105.