Institutional constraints that hinder spatial-geometric modelling in secondary school teaching. Advances of Research in Mathematics Education, [S. l.], n. 20, p. 41–63, 2021. DOI: 10.35763/aiem20.4031. Disponível em: https://aiem.es/aiem/article/view/v20-rojas-sierra. Acesso em: 20 may. 2026.