Saniyah SM. PROBLEM BASED LEARNING BERBANTUAN GEOGEBRA UNTUK MENINGKATKAN BERPIKIR KRITIS DAN KEAKTIFAN BELAJAR. JLSTE [Internet]. 2025May3 [cited 2026Oct.28];4(1):8-15. Available from: http://103.97.100.160/index.php/jlste/article/view/149