Godino, Juan D., Teresa Neto, Miguel R. Wilhelmi, Lilia P. Aké, Silvia Etchegaray, and Aitzol Lasa. 2015. “Algebrization Levels of School Mathematics Practices. Networking of the Onto-Semiotic and Anthropological Perspectives”. Advances of Research in Mathematics Education, no. 8 (November): 117-42. https://doi.org/10.35763/aiem.v1i8.105.