Tarigan UPP, Jusra Tampubolon, Sembiring AC. Perbaikan Standar Operasional Prosedur Keselamatan Kerja menggunakan Metode Hazard and Operability di PT XYZ. JURITI PRIMA [Internet]. 2023 May 27 [cited 2026 Apr. 2];6(1). Available from: http://139.162.50.187/index.php/juriti/article/view/3072