Nugroho, Nugroho, Etin Solihatin, and Nurdin Ibrahim. “Flipped Classroom and Collaborative Learning Model and Its Effectiveness: Research and Development”. Proceedings of International Conference on Science, Education, and Technology 10, no. 1 (September 20, 2024): 371–376. Accessed July 26, 2025. https://proceeding.unnes.ac.id/ISET/article/view/3910.