Mathematical and didactic knowledge of preservice primary teachers about the area of 2d figures. Advances of Research in Mathematics Education, [S. l.], n. 24, p. 1–20, 2023. DOI: 10.35763/aiem24.4076. Disponível em: https://aiem.es/aiem/article/view/v24-caviedes-gamboa-badillo. Acesso em: 20 may. 2026.