1.
Fitratunisyah F, Bactiar I, Jamaluddin J. Research Trends of Problem Based Learning (PBL) Models to Improve Students’ Critical Thinking Skills and Learning Outcomes (2016-2025): A Systematic Review. cer [Internet]. 2025 Dec. 23 [cited 2026 Jan. 16];1(4):169-77. Available from: https://journals.balaipublikasi.id/index.php/cer/article/view/410