“UPAYA PENINGKATAN HASIL BELAJAR MATEMATIKA MATERI BILANGAN BULAT MELALUI MODEL PEMBLEJARAN PROBLEM BASED LEARNING SISWA KELAS VI B SDN PANDEANLAMPER 03” (2023), 1(2), pp. 2858–2865. Available at: https://conference.upgris.ac.id/index.php/psnppg/article/view/5446 (Accessed: 11 August 2026).