Zai, Lestari Kurniawati, and Risnita Vicky Listyarini. “Application of Flipped Classroom to Improve Learning Outcomes in Redox Reaction Lesson”. Hydrogen: Jurnal Kependidikan Kimia 11, no. 1 (February 15, 2023): 68–73. Accessed August 16, 2025. https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/5058.