Tarigan, U.P.P. et al. 2023. Perbaikan Standar Operasional Prosedur Keselamatan Kerja menggunakan Metode Hazard and Operability di PT XYZ. Jurnal Ilmiah Teknik Industri Prima (JURITI PRIMA) . 6, 1 (May 2023). DOI:https://doi.org/10.34012/juritiprima.v6i1.3072.