POLO MARTÍNEZ, Ignacio. Unified programs nationally? Strengths and weaknesses of the learning standards. Avances en Supervisión Educativa, [S. l.], n. 21, 2014. DOI: 10.23824/ase.v0i21.91. Disponível em: https://avances.adide.org/index.php/ase/article/view/91. Acesso em: 14 aug. 2025.