THE EFFECT OF PROBLEM BASED LEARNING MODEL USING MIND MAP ON CRITICAL THINKING ABILITY AND PROBLEM SOLVING SKILL ON HIGH SCHOOL STUDENTS. JPF Unimed [Internet]. 2019 Jun. 29 [cited 2026 Mar. 21];8(1):57-6. Available from: https://jurnal.unimed.ac.id/2012/index.php/jpf/article/view/13605