KEEFEKTIFAN PROBLEM BASED LEARNING BERBANTU MEDIA AUDIO VISUAL TERHADAP HASIL BELAJAR IPS KELAS IV SD. JS (JURNAL SEKOLAH) [Internet]. 20 Desember 2021 [dikutip 15 Juli 2026];6(1):97-102. Tersedia pada: https://jurnal.unimed.ac.id/2012/index.php/js/article/view/30024