Utami, Nihla, Gito Hadiprayitno, and Imam Bachtiar. “Trends in Research on PBL-Based E-Worksheets to Enhance Students’ Critical Thinking Skills: A Systematic Literature Review (2016–2025)”. Current Educational Review 2, no. 1 (March 31, 2026): 9–15. Accessed April 8, 2026. https://journals.balaipublikasi.id/index.php/cer/article/view/412.