SIHOMBING, Gunawan Efendi; SIMAMORA, Aprido; SITIO, Hetdy. Pengaruh Model Problem Based Learning Terhadap Kemampuan Berpikir Kritis Siswa Pada Materi Ekosistem KELAS V . Jurnal Ilmu Pendidikan dan Sosial, [S. l.], v. 4, n. 4, p. 765–773, 2025. DOI: 10.58540/jipsi.v4i4.1189. Disponível em: https://www.putrapublisher.org/index.php/jipsi/article/view/1189. Acesso em: 27 apr. 2026.