M.Farrel, R.Winantyo, A.Kusnadi, E.E.Surbakti. Computer Vision-Based Security System for Monitoring The Use of Personal Protective Equipment (PPE) In Workplace Involving Production Machinery. IJIE. 2025;17(6):246-257. Accessed April 8, 2026. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/21956