Astuti WP. EFEKTIVITAS MODEL PEMBELAJARAN PROBLEM BASED LEARNING DAN PROBLEM SOLVING TERHADAP KEMAMPUAN BERPIKIR KREATIF MATEMATIKA SISWA KELAS 4. JIPP [Internet]. 2018 Jul. 30 [cited 2024 May 6];2(2). Available from: https://ejournal.undiksha.ac.id/index.php/JIPP/article/view/15349