1.
Sihombing GE, Simamora A, Sitio H. Pengaruh Model Problem Based Learning Terhadap Kemampuan Berpikir Kritis Siswa Pada Materi Ekosistem KELAS V . JIPSI [Internet]. 2025 Dec. 13 [cited 2026 Jan. 31];4(4):765-73. Available from: https://www.putrapublisher.org/ojs/index.php/jipsi/article/view/1189