SAPUTRA, T. A.; DEWI, N. K.; ISTININGSIH, S. PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR MATEMATIKA SISWA KELAS IV SDN 1 KAWO TAHUN AJARAN 2019/2020. PROGRES PENDIDIKAN, [S. l.], v. 1, n. 1, p. 7–13, 2020. Disponível em: https://prospek.unram.ac.id/index.php/PROSPEK/article/view/3. Acesso em: 5 may. 2024.