HEINZ, J.; JOCHUM, G. The emergence and development of the German dual vocational system: Between crises and praises. Ammattikasvatuksen aikakauskirja, [S. l.], v. 16, n. 4, p. 9–27, 2022. Disponível em: https://journal.fi/akakk/article/view/113847. Acesso em: 21 touko. 2024.