“Improving Problem-Solving and Communication Skills in Automotive Vocational Education through the Development of Teaching Factory Model With Problem-Based Learning (TEFA-PBL) Concept”. International Journal of Education in Mathematics, Science and Technology 12, no. 2 (November 23, 2023): 364–386. Accessed July 23, 2025. https://ijemst.com/index.php/ijemst/article/view/673.