PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING BERBANTUAN MEDIA AUDIO VISUAL TERHADAP HASIL BELAJAR IPAS SISWA KELAS IV SEKOLAH DASAR. widyajaya [Internet]. 2025 Mar. 1 [cited 2025 Nov. 15];5(1):127-41. Available from: https://journal.mpukuturan.ac.id/index.php/widyajaya/article/view/1319