“PENINGKATAN HASIL BELAJAR PESERTA DIDIK KELAS V MELALUI MODELPEMBELAJARAN PROBLEM BASED LEARNING TEMA 8 DI SD 9 GONDOSARI”. 2021. JS (JURNAL SEKOLAH) 5 (3): 116-20. https://doi.org/10.24114/js.v5i3.26473.