BUSOM I TORRES, Manel. PISA Report 2009. Avances en Supervisión Educativa, [S. l.], n. 14, 2011. DOI: 10.23824/ase.v0i14.475. Disponível em: https://avances.adide.org/index.php/ase/article/view/475. Acesso em: 15 aug. 2025.