“PENERAPAN PROBLEM BASED LEARNING BERBANTUAN MEDIA KONKRET UNTUK MENINGKATKAN AKIVITAS DAN HASIL BELAJAR SISWA KELAS IV SD SUPRIYADI 02”, psnppg, vol. 1, no. 2, pp. 3118–3125, Nov. 2023, Accessed: Aug. 11, 2026. Available: https://conference.upgris.ac.id/index.php/psnppg/article/view/5476