“THE EFFECT OF PROBLEM BASED LEARNING MODELS ON STUDENTS’ CRITICAL THINKING SKILL IN GEOGRAPHY CLASS XI IPS SMAN 1 PRINGSEWU”. Journal Learning Geography 4, no. 1 (October 17, 2025): 8–17. Accessed February 8, 2026. https://jpips.fkip.unila.ac.id/index.php/jlg/article/view/11.