Soeviatulfitri, Soeviatulfitri, dan Kashardi Kashardi. “Kemampuan Berpikir Kreatif Matematis Siswa Melalui Model Problem Based Learning (PBL) Dan Model Pembelajaran Osborn Di SMP”. Jurnal Pendidikan Matematika Raflesia 5, no. 3 (Oktober 19, 2020): 35–43. Diakses Desember 15, 2025. https://ejournal.unib.ac.id/jpmr/article/view/11502.