Penerapan Problem Based Learning Berbantuan Flipbook Terhadap Hasil Belajar Matematika Siswa Kelas XI SMAN 8 Padang. JEPM [Internet]. 2026 Jul. 6 [cited 2026 Jul. 11];15(2). Available from: https://jepm.ppj.unp.ac.id/index.php/jepm/article/view/308