Sari, Sinta Kumala, and Arifian Dimas. “Analysis of Additional Teaching Materials for 8th Grade Junior High School”. Science Education and Application Journal 4, no. 2 (September 26, 2022): 87–95. Accessed November 22, 2024. https://jurnalpendidikan.unisla.ac.id/index.php/SEAJ/article/view/580.