Woo, Heajung, Woocheol Kim, Yejih Yi, and & Gwansik Yoon. “Examining Training Performance of TVET Trainers With Without TVET Certificate in the Republic of Korea”. Journal of Technical Education and Training 10, no. 2 (December 28, 2018). Accessed May 2, 2024. https://penerbit.uthm.edu.my/ojs/index.php/JTET/article/view/3070.