Giyarti, Giyarti. “Pendekatan Pembelajaran Open Ended Terhadap Peningkatan Kemampuan Pemahaman Matematis Siswa SMP”. PRISMA 10, no. 2 (December 21, 2021): 234–243. Accessed April 16, 2026. https://jurnal.unsur.ac.id/index.php/prisma/article/view/1836.