“Pembelajaran Berbasis Diferensiasi Model Problem Based Learning (PBL) pada Materi Ilmu Pengetahuan Sosial di SD 280/VI Bangko Kelas V”, Grata, vol. 3, no. 2, hlm. 12–16, Jul 2026, Diakses: Jul 27, 2026. Tersedia pada: https://ejournal.mejailmiah.com/index.php/grata/article/view/409