“Implementation of the Hazard and Operability Study (HAZOPS) Method in the Sedimentation Unit of the Gas Industry Wastewater Treatment Plant: Implementasi Metode Hazard and Operability Study (HAZOPS) di Unit Pengendapan Instalasi Pengolahan Air Limbah Industri Gas” (2023) Journal of Research and Technology, 9(2), pp. 201–209. doi:10.55732/jrt.v9i2.702.