Maisiri, Whisper, Hasan Darwish, and Liezl van Dyk. “AN INVESTIGATION OF INDUSTRY 4.0 SKILLS REQUIREMENTS”. The South African Journal of Industrial Engineering 30, no. 3 (November 15, 2019): 90–105. Accessed December 14, 2024. http://sajie.journals.ac.za/pub/article/view/2230.