Mayasari, R., Sapri, J., & Turdjai, T. (2019). THE DEVELOPMENT OF GERMAN LANGUANGE INSTRUCTIONAL MATERIAL BASED ON COMIC TO IMPROVE VOCABULARY AND SPEAKING SKILL. Diadik: Jurnal Ilmiah Teknologi Pendidikan, 8(1), 88–98. https://doi.org/10.33369/diadik.v8i1.7230