“Pengembangan Model PBL Berbantuan Media Peta Konsep Tema 9 pada Siswa Kelas IV SD”, jpd, vol. 2, no. 2, pp. 50–55, Aug. 2021, Accessed: Sep. 08, 2026. [Online]. Available: https://jurnal.umpwr.ac.id/index.php/jpd/article/view/1640