ASTUTI, W. P. EFEKTIVITAS MODEL PEMBELAJARAN PROBLEM BASED LEARNING DAN PROBLEM SOLVING TERHADAP KEMAMPUAN BERPIKIR KREATIF MATEMATIKA SISWA KELAS 4. Jurnal Ilmiah Pendidikan dan Pembelajaran, [S. l.], v. 2, n. 2, 2018. DOI: 10.23887/jipp.v2i2.15349. Disponível em: https://ejournal.undiksha.ac.id/index.php/JIPP/article/view/15349. Acesso em: 6 may. 2024.