Affero Ismail, Razali Hassan, and Mohd Irman Harun, TVET Professional Educator : Guidance on the competency development. Penerbit UTHM, 2020. Accessed: Apr. 09, 2026. [Online]. Available: https://penerbit.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/273