Ariyanti ES, Rozy F, Baalwi MA. PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP KEMAMPUAN OPERASI HITUNG BILANGAN CACAH SISWA KELAS II SDN BALONGGABUS. JIPDAS [Internet]. 24 Agustus 2026 [dikutip 4 September 2026];6(3):5803-7. Tersedia pada: https://jurnal.spada.ipts.ac.id/index.php/JIPDAS/article/view/5890