“Development of Powtoon-Based Audiovisual Media in English Language Subjects for Class VIII SMP”. JUPE : Jurnal Pendidikan Mandala 8, no. 4 (December 1, 2023): 1174–1176. Accessed June 27, 2026. https://ejournal.mandalanursa.org/index.php/JUPE/article/view/6187.