Mayasari R, Sapri J, Turdjai T. THE DEVELOPMENT OF GERMAN LANGUANGE INSTRUCTIONAL MATERIAL BASED ON COMIC TO IMPROVE VOCABULARY AND SPEAKING SKILL. Diadik j. ilm. teknol. pendidik. [Internet]. 2019 Apr. 1 [cited 2024 Apr. 18];8(1):88-9. Available from: https://ejournal.unib.ac.id/diadik/article/view/7230