Sulaiman, J., Yunus, F.A.N. and Wan Ahmad, W.M.R. (2019) “Professionalism of Technical Teacher in Vocational Education: : Professional Knowledge That Contribute To A Teacher’s Effectiveness”, Online Journal for TVET Practitioners, 4(2), pp. 42–48. Available at: https://journal.uthm.edu.my/index.php/oj-tp/article/view/5091 (Accessed: 12 August 2026).