Analysing mathematical activity through two theoretical tools: registers of semiotic representation and onto-semiotic configuration. Advances of Research in Mathematics Education, [S. l.], n. 10, p. 91–110, 2016. DOI: 10.35763/aiem.v0i10.144. Disponível em: https://aiem.es/aiem/article/view/3953. Acesso em: 20 may. 2026.