Hendra Susanto. KEMAMPUAN PEMAHAMAN MATEMATIS SISWA MELALUI MODEL PROBLEM BASED LEARNING (PBL) BERBANTUAN GEOGEBRA. JOEL [Internet]. 2022 Nov. 1 [cited 2025 Jul. 5];2(3):451-62. Available from: https://mail.bajangjournal.com/index.php/JOEL/article/view/3835