BACKES, S.; HADJAR, A. Educational Trajectories Through Secondary Education in Luxembourg: How Does Permeability Affect Educational Inequalities?. Swiss Journal of Educational Research, [S. l.], v. 39, n. 3, p. 437–460, 2017. DOI: 10.24452/sjer.39.3.5040. Disponível em: https://sjer.ch/article/view/5040. Acesso em: 19 jan. 2022.