EFEKTIVITAS MODEL PEMBELAJARAN CREATIVE PROBLEM SOLVING (CPS) TERHADAP KEMAMPUAN BERPIKIR KREATIF MATEMATIS SISWA KELAS IV MIN 3 PONOROGO. ibriez [Internet]. 2024 Dec. 31 [cited 2026 Oct. 13];9(2):219-32. Available from: https://ibriez.uinponorogo.ac.id/index.php/ibriez/article/view/614