Rahmatullah, Rahmatullah, Rizka Wulandari Putri, Bobi Mahendra, Hegar Tifal Arofi, and Cecep Sumiratna Hadi. 2023. “Catalyst Lifetime Analysis for High-Temperature Shift Converter (104-D1) at Urea Factory”. CHEESA: Chemical Engineering Research Articles 6 (2):76-84. https://doi.org/10.25273/cheesa.v6i2.15986.76-84.