Elfira, Elfira. “Implementing The Problem-Based Learning Model In The Vuca Era To Enhance Student Competencies”. Abdurrauf Journal of Education and Islamic Studies 2, no. 3 (June 5, 2026): 109–120. Accessed June 22, 2026. https://journal.abdurraufinstitute.org/index.php/arjeis/article/view/1060.