RAHMAWATI, Anisa; KURNIAWATI, Desy; GAZALI, Fauzana. 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, [S. l.], v. 5, n. 1, p. 108–117, 2026. DOI: 10.47945/search.v5i1.3281. Disponível em: https://e-jurnal.iainsorong.ac.id/index.php/jaser/article/view/3281. Acesso em: 30 aug. 2026.