Ma’rifat, Monalisa, Atiya Thifal Rofifa, and Tri Martiana. 2021. “Risk Assessment at the Plate Production Unit of PT. INKA (Persero)”. The Indonesian Journal of Occupational Safety and Health 10 (3):316-30. https://doi.org/10.20473/ijosh.v10i3.2021.316-330.