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. VARIABLE RESEARCH JOURNAL, [S. l.], v. 1, n. 01, p. 224–232, 2024. Disponível em: https://variablejournal.my.id/index.php/VRJ/article/view/28.. Acesso em: 9 jul. 2025.