Dewi, Wahyu, and Nyoto Harjono. “Efektivitas Model Pembelajaran Problem Solving Dan Problem Based Learning (PBL) Ditinjau Dari Kemampuan Berpikir Kreatif Matematis Siswa Kelas 5 Sekolah Dasar”. Jurnal Cendekia : Jurnal Pendidikan Matematika 5, no. 3 (August 15, 2021): 2678-2689. Accessed July 26, 2026. https://j-cup.org/index.php/cendekia/article/view/943.