Rahayu P, Kurnia Ningsih N, Krisna Arrasyid A. Development of Problem-Based Learning-Oriented Student Worksheet to Improve High Order Thinking Skills in Magnet Material in Elementary Schools. JoA-Edu [Internet]. 2025 Jul. 29 [cited 2026 Aug. 13];3(2):63-72. Available from: https://jurnal.pbs.fkip.unila.ac.id/index.php/JoAEdu/article/view/1167