BACKES, Susanne; HADJAR, Andreas. Educational Trajectories Through Secondary Education in Luxembourg: How Does Permeability Affect Educational Inequalities?. Swiss Journal of Educational Research, Bern, 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: 29 jan. 2025.