SYAMSU ALAM. PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING UPAYA MENINGKATKAN HASIL BELAJAR PKn SISWA KELAS V MI UJUNG BULO. Khatulistiwa: Jurnal Pendidikan dan Sosial Humaniora, [S. l.], v. 2, n. 1, p. 108–122, 2022. DOI: 10.55606/khatulistiwa.v2i1.1049. Disponível em: https://researchhub.id/index.php/Khatulistiwa/article/view/1049. Acesso em: 6 sep. 2025.