MARAN, M. D. M. M. Penerapan Model Pembelajaran Problem Based Learning dalam Meningkatkan Hasil Belajar Siswa Kelas VII SMPN 1 Lewolema . Journal of Education Research, [S. l.], v. 5, n. 4, p. 5914–5923, 2024. DOI: 10.37985/jer.v5i4.1833. Disponível em: https://jer.or.id/index.php/jer/article/view/1833. Acesso em: 2 jul. 2025.