GONZÁLEZ TAPIA, Javier; ALVAREZ ALVAREZ, Carmen. Grade repetition in Secondary Education in an organizational perspective. Avances en Supervisión Educativa, [S. l.], n. 38, 2022. DOI: 10.23824/ase.v0i38.772. Disponível em: https://avances.adide.org/index.php/ase/article/view/772. Acesso em: 15 aug. 2025.