Fatwa Paramarta, Kurniawan HC. Pengembangan Bahan Ajar Fisika Berbasis Flipbook pada Materi Usaha dan Energi . JPFT [Internet]. 2025 Aug. 15 [cited 2025 Oct. 2];13(2):203-11. Available from: https://jurnalfkipuntad.com/index.php/jpft/article/view/4720