Indriastutik. “Meningkatkan Hasil Belajar Ilmu Pengetahuan Sosial Melalui Penerapan Model Problem Based Learning (PBL) Berbasis Zoom Meeting Di Kelas VIIIA SMP Negeri 2 Bangsalsari Jember”. Jurnal Simki Economic 4, no. 1 (November 15, 2021): 99-111. Accessed November 23, 2024. https://jiped.org/index.php/JSE/article/view/110.