Irfan Ramdani, Riky Firdaus, Ricky Yasten Fahik, Zidan Lazuardi and Yani Iriani 2020. A RISK ANALYSIS OF OCCUPATIONAL SAFETY LEVELS FOR OPERATORSON COMPANY X USING A HAZOP METHOD WITH AN FTA APPROACH. PalArch’s Journal of Archaeology of Egypt / Egyptology. 17, 4 (Dec. 2020), 2713- 2722.