Khafidhoh, Masruroh, and Wilda Mahmudah. “Pengembangan Media Pembelajaran Matematika Berbantuan FlipBook Berbasis Problem Based Learning Yang Memfasilitasi Kemampuan 4C Siswa”. Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika 10, no. 2 (October 28, 2022): 137 - 148. Accessed July 6, 2025. https://ejournal.unitomo.ac.id/index.php/mipa/article/view/4853.