Rahmawati, Anisa, Desy Kurniawati, and Fauzana Gazali. “Implementation of Problem-Based Learning to Enhance Students’ Critical-Thinking Activities in Chemistry Learning: A Classroom Action Research at SMAN 1 Pancung Soal”. SEARCH: Science Education Research Journal 5, no. 1 (August 27, 2026): 108–117. Accessed August 30, 2026. https://e-jurnal.iainsorong.ac.id/index.php/jaser/article/view/3281.