MARYANI E. MENINGKATKAN KEMAMPUAN PEMAHAMAN MATEMATIS MELALUI MODEL PROBLEM BASED LEARNING MENGGUNAKAN SOFTWARE GEOGEBRA DAN DAMPAKNYA TERHADAP KEMANDIRIAN BELAJAR SISWA SMK. vocational [Internet]. 2021Jul.13 [cited 2026Feb.3];1(1):48-57. Available from: https://jurnalp4i.com/index.php/vocational/article/view/81