Abdulrazzaq Rashid, S. and Taher Mohammed, W. (2026) “Optimization and High-Efficiency Photocatalytic Degradation of Petroleum Refinery Wastewater using SiO₂/TiO₂ Nanocomposite under UV Irradiation”, Applied Science and Engineering Progress, 19(4), p. 8058. doi: 10.14416/j.asep.2026.04.011.