Ma’rifat, M., A. T. Rofifa, and T. Martiana. “Risk Assessment at the Plate Production Unit of PT. INKA (Persero)”. The Indonesian Journal of Occupational Safety and Health, vol. 10, no. 3, Nov. 2021, pp. 316-30, doi:10.20473/ijosh.v10i3.2021.316-330.