Harso, Aloisius, Andi Yustira Lestari, Nadriyah, Andri Kurniawan, Hadi Widodo, Tomi Apra Santosa, and Destra Amni. 2024. “Meta-Analysis The Influence of the Flipped Classroom Model on Problem Solving Ability in Revolution 4.0 Era”. Indonesia Journal of Engineering and Education Technology (IJEET) 2 (1):136-44. https://doi.org/10.61991/ijeet.v2i1.27.