Sern, Lai Chee, Hamisu Mohammed Adamu, and & Kahirol Mohd Salleh. 2019. “Development of Competency Framework for Nigerian TVET Teachers in Tertiary TVET Institutions”. Journal of Technical Education and Training 11 (1). https://penerbit.uthm.edu.my/ojs/index.php/JTET/article/view/3250.