SINYO, Yumima; MAJID, Ilham. Peningkatan Hasil Belajar Siswa SMA Negeri 3 Halmahera Selatan Pada Materi Keseimbangan Lingkungan Melalui Penerapan Model Pembelajaran Problem Based Learning. EDUKASI, [S. l.], v. 21, n. 3, p. 644–654, 2023. DOI: 10.33387/j.edu.v21i3.6839. Disponível em: https://ejournal.unkhair.ac.id/index.php/edu/article/view/6839. Acesso em: 31 may. 2026.