Ahmad, Adnan, Muhammad Rashid Rajuddin, Yusri Kamin, Amiruddin Udin, Hasnul Dahar Minghat, and Damon Cartledge. 2014. “Automotive Practical Work Practices in Vocational Education: Teacher’s Preferences Using Needham Model”. Sains Humanika 2 (4). https://doi.org/10.11113/sh.v2n4.464.