MELITA R. JEMALU, M. .; RUSNO, R.; YUDIONO, U. Perbandingan model problem based learning (PBL) dan model pembelajaran konvensional terhadap hasil belajar IPS terpadu siswa SMP Negeri 6 Welak. Jurnal Riset Pendidikan Ekonomi, [S. l.], v. 6, n. 2, p. 71–85, 2021. DOI: 10.21067/jrpe.v6i2.6139. Disponível em: https://ejournal.unikama.ac.id/index.php/jrpe/article/view/6139. Acesso em: 4 may. 2024.