Saleem F. Mones et al. 2026. Treatment of AL-Diwaniyah Petroleum Refinery Wastewater by Heterogeneous Fenton–Like Using Fe2O3 @ CeO2; 1:2 Ratio /AC Nanocatalyst. Applied Chemical Engineering. 9, 2 (Jun. 2026), ACE-5943. DOI:https://doi.org/10.59429/ace.v9i2.5943.