“Peningkatan Keaktifan Peserta Didik pada Pembelajaran IPAS Menggunakan Model Problem Based Learning Dengan Media Audio-Visual di Kelas IV SD: (Increasing Student Activity in Science and Technology Learning Using the Problem-Based Learning Model with Audio-Visual Media in Class IV SD)” (2025) BIODIK, 11(1), pp. 274–279. doi:10.22437/biodik.v11i1.39187.