Musthofawiyah Musthofawiyah, & Tanti Kurnia Sari. (2026). The Development of a Pop-Up Book with the Theme ‘Einkaufen’ as a German Language Learning Medium for Grade XI Students at SMA Negeri 3 Binjai. International Journal of Education and Literature, 5(1), 56–60. https://doi.org/10.55606/ijel.v5i1.320