Riny, R. N., Astutik, H. S. and Rabia, S. F. (2024) “PENGARUH MODEL PROBLEM BASED LEARNING (PBL) TERHADAP HASIL BELAJAR MATEMATIKA SISWA SD”, THEOREMA: The Journal Education of Mathematics, 5(2). doi: 10.36232/theorema.v5i2.1144.