VIÑAO FRAGO, Antonio. Review about Simmel, Georg: School pedagogy. Avances en Supervisión Educativa, [S. l.], n. 13, 2010. DOI: 10.23824/ase.v0i13.363. Disponível em: https://avances.adide.org/index.php/ase/article/view/363. Acesso em: 14 aug. 2025.