“Peningkatan Hasil Belajar Matematika Siswa Kelas IV SD Negeri 44 Cakranegara Melalui Model Problem Based Learning (PBL)”. Jurnal Cakrawala Pendidikan Sekolah Dasar 1, no. 1 (June 15, 2025): 1–12. Accessed September 14, 2026. https://jcpsd.id/jcpsd/article/view/1.