Chalis, Ghea Annisa, and yetti Ariani. “Pengaruh Model Problem Based Learning (PBL) Terhadap Hasil Belajar Pecahan Di Sekolah Dasar”. Jurnal Pendidikan Tambusai 4, no. 3 (November 9, 2020): 2936–2944. Accessed July 3, 2024. https://jptam.org/index.php/jptam/article/view/794.