M.Farrel, R.Winantyo, A.Kusnadi, and E.E.Surbakti. “Computer Vision-Based Security System for Monitoring The Use of Personal Protective Equipment (PPE) In Workplace Involving Production Machinery”. International Journal of Integrated Engineering 17, no. 6 (December 29, 2025): 246–257. Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/21956.