“PENERAPAN MODEL PROBLEM BASED LEARNING BERBANTUAN APLIKASI GEOGEBRA TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA DAN KEMANDIRIAN BELAJAR SISWA DI KELAS VIII MTS AL-KHAIRIYAH PIPITAN”, VRJ, vol. 1, no. 01, pp. 224–232, Apr. 2024, Accessed: Jul. 09, 2025. [Online]. Available: https://variablejournal.my.id/index.php/VRJ/article/view/28