WIDODO, Pratomo; SETIAWAN, Akbar K; AN, Le Hoai. COMPETENCIES OF GERMAN LANGUAGE TEACHERS IN INDONESIA AND VIETNAM BASED ON COMMON EUROPEAN FRAMEWORK OF REFERENCE FOR LANGUAGES (CEFR). LITERA, [S. l.], v. 15, n. 1, 2016. DOI: 10.21831/ltr.v15i1.9772. Disponível em: https://journal.uny.ac.id/index.php/litera/article/view/9772. Acesso em: 18 jun. 2025.