FIRDAUS, Aulia; ASIKIN, Mohammad; WALUYA, Budi; ZAENURI, Zaenuri. Problem Based Learning (PBL) Untuk Meningkatkan Kemampuan Matematika Siswa. QALAMUNA: Jurnal Pendidikan, Sosial, dan Agama, [S. l.], v. 13, n. 2, p. 187–200, 2021. DOI: 10.37680/qalamuna.v13i2.871. Disponível em: https://ejournal.insuriponorogo.ac.id/index.php/qalamuna/article/view/871. Acesso em: 17 dec. 2025.