Andini, Nur Aisyah, and Much Fuad Saifuddin. “Learning Media of Digital Booklets for Class VIII Junior High School”. Biosfer: Jurnal Pendidikan Biologi 16, no. 1 (April 15, 2023): 1-12. Accessed September 30, 2025. http://103.8.12.212:33180/unj/index.php/biosfer/article/view/25457.