Hendra Susanto 2022. KEMAMPUAN PEMAHAMAN MATEMATIS SISWA MELALUI MODEL PROBLEM BASED LEARNING (PBL) BERBANTUAN GEOGEBRA. JOEL: Journal of Educational and Language Research. 2, 3 (Nov. 2022), 451–462. DOI:https://doi.org/10.53625/joel.v2i3.3835.