Zulkifli, S. L. A. ., Omar, S. S., Ariffin, Z. Z. ., Mahadi, N., & Yaakop, A. Y. (2021). A Review of Leadership Approaches in the Industrial Revolution of 4.0 Era. Online Journal for TVET Practitioners, 6(2), 21–27. Retrieved from https://publisher.uthm.edu.my/ojs/index.php/oj-tp/article/view/8648