Sallehudin Ayub Jamil, et al. “Small Medium Industries’ Non-Technical Skills Preferences in Facing Industry Revolution 4.0: A Fuzzy Delphi Technique”. Online Journal for TVET Practitioners, vol. 9, no. 2, Oct. 2024, pp. 60-68, https://penerbit.uthm.edu.my/ojs/index.php/oj-tp/article/view/17163.