Hidayah, Tyas Nur Annisa, and Padrul Jana. “Pengembangan Bahan Ajar Matematika Berbasis Problem Based Learning Untuk Memfasilitasi Math Engagement Siswa SMP”. JKPM (Jurnal Kajian Pendidikan Matematika) 11, no. 1 (December 31, 2025): 63–76. Accessed June 2, 2026. https://newjournal.lppmunindra.ac.id/index.php/jkpm/article/view/1957.