Improving Problem-Solving and Communication Skills in Automotive Vocational Education through the Development of Teaching Factory Model with Problem-Based Learning (TEFA-PBL) Concept. IJEMST [Internet]. 2023 Nov. 23 [cited 2025 Jul. 23];12(2):364-86. Available from: https://ijemst.com/index.php/ijemst/article/view/673