D’Amore, B., & Santi, G. (2021). Teaching and Learning of Geometry as a process of Objectification: conditions and obstacles to argumentation and proof. The role of natural language, specific language, and figures. REMATEC, 16(39), 119–141. https://doi.org/10.37084/REMATEC.1980-3141.2021.n39.p119-141.id487