AGNES CHINTYA SIRINGORINGO; HAPNI LAILA SIREGAR. Pengaruh Penerapan Model Pembelajaran Problem Based Learning terhadap Hasil Belajar PPKN pada Siswa Kelas VII SMP Negeri 3 Sitiotio. Khatulistiwa: Jurnal Pendidikan dan Sosial Humaniora, [S. l.], v. 5, n. 3, p. 484–494, 2025. DOI: 10.55606/khatulistiwa.v5i3.6937. Disponível em: https://researchhub.id/index.php/Khatulistiwa/article/view/6937. Acesso em: 30 jun. 2025.