SITI NURAINI; SAEFUL MIZAN; ROCHMINAH. Peningkatan Hasil Belajar Siswa melalui Model Pembelajaran Problem Based Learning (PBL) pada Materi Norma Kelas VI. Jurnal Penelitian Pendidikan Indonesia (JPPI), Indonesia, v. 2, n. 4, p. 125–131, 2025. DOI: 10.62017/jppi.v2i4.4456. Disponível em: https://jurnalistiqomah.org/index.php/jppi/article/view/4456.. Acesso em: 30 jul. 2025.