HIDAYAH, Tyas Nur Annisa; JANA, Padrul. Pengembangan Bahan Ajar Matematika Berbasis Problem Based Learning untuk Memfasilitasi Math Engagement Siswa SMP. JKPM (Jurnal Kajian Pendidikan Matematika), Jakarta, Indonesia, v. 11, n. 1, p. 63–76, 2025. DOI: 10.30998/zyg27r25. Disponível em: https://newjournal.lppmunindra.ac.id/index.php/jkpm/article/view/1957. Acesso em: 17 apr. 2026.