GEA, Maria Magdalena; LÓPEZ-MARTÍN, Maria del Mar; ROA, Rafael. Semiotic conflicts related to correlation and regressionin High Schooltextbooks. Advances of Research in Mathematics Education, [S. l.], n. 8, p. 29–49, 2015. DOI: 10.35763/aiem.v1i8.113. Disponível em: https://aiem.es/aiem/article/view/3966. Acesso em: 14 jul. 2026.