Ma’rifat, Monalisa, Atiya Thifal Rofifa, and Tri Martiana. “Risk Assessment at the Plate Production Unit of PT. INKA (Persero)”. The Indonesian Journal of Occupational Safety and Health 10, no. 3 (November 26, 2021): 316–330. Accessed August 5, 2024. https://e-journal.unair.ac.id/IJOSH/article/view/21055.