HAENNI HOTI, A.; HEINZMANN, S. Zwei Fremdsprachen auf der Primarstufe. Babylonia Journal of Language Education, [S. l.], v. 2, p. 16–21, 2026. Disponível em: https://babylonia.online/index.php/babylonia/article/view/1471. Acesso em: 25 jun. 2026.