LÜDI, G. Das Gesamtsprachenkonzept von 1998 – 20 Jahre danach. Babylonia Multilingual Journal of Language Education, [S. l.], v. 3, p. 14–20, 2018. DOI: 10.55393/babylonia.v3i.363. Disponível em: https://babylonia.online/index.php/babylonia/article/view/363. Acesso em: 19 may. 2024.