“89. Peningkatan Kemampuan Pemecahan Masalah Siswa SMA Melalui Implementasi Problem Based Learning Berbantuan GeoGebra”, psnppg, vol. 1, no. 1, pp. 799–808, Jul. 2023, Accessed: Aug. 11, 2026. Available: https://conference.upgris.ac.id/index.php/psnppg/article/view/3952