Agustin, Safitri, Hanesman, Efrizon, and Hendra Hidayat. “The Impact of Problem-Based Learning Model With Focus Group Discussion Method on Students’ Learning Outcomes in Basic Vocational Subjects”. Journal of Hypermedia & Technology-Enhanced Learning 2, no. 2 (June 30, 2024): 182–193. Accessed February 10, 2025. https://edutech-journals.org/index.php/j-hytel/article/view/135.