Martawijaya, Dadang Hidayat. 2013. “DEVELOPING A TEACHING FACTORY LEARNING MODEL TO IMPROVE PRODUCTION COMPETENCIES AMONG MECHANICAL ENGINEERING STUDENTS IN A VOCATIONAL SENIOR HIGH SCHOOL”. Journal of Technical Education and Training 4 (2). https://penerbit.uthm.edu.my/ojs/index.php/JTET/article/view/637.