Pengaruh Model Pembelajaran Problem Based Learning Terhadap Kemampuan Berpikir Kritis Siswa Pada Materi Sistem Ekskresi Manusia di SMP Negeri 6 Tondano. SOSCIED, [S. l.], v. 7, n. 2, p. 450–459, 2024. DOI: 10.32531/jsoscied.v7i2.841. Disponível em: https://jurnal.poltekstpaul.ac.id/index.php/jsoscied/article/view/841. Acesso em: 22 apr. 2026.