Ismail, Khuzainey, Zulkifli Mohd Nopiah, Sattar Rasul Mohamad, and Chau Leong Pang. “Technical Competency Among Vocational Teachers in Malaysian Public Skills Training Institutions: Measurement Model Validation Using Pls-Sem”. Journal of Technical Education and Training 12, no. 1 (February 6, 2020). Accessed June 13, 2021. https://publisher.uthm.edu.my/ojs/index.php/JTET/article/view/4078.