Penerapan Model Problem Based Learning (PBL) untuk Meningkatkan Pemahaman Konsep Bilangan Pecahan Siswa Kelas VII Sekolah Menengah Pertama. IEC: Journal of Educational Innovation, [S. l.], v. 2, n. 4, p. 124–135, 2026. Disponível em: https://research.iecjournal.com/index.php/IEC-JEI/article/view/77.. Acesso em: 24 sep. 2026.