“Optimization of Electro-Fenton Based Advanced Oxidation Processes for Pre-Treatment of Biogas Production Using Oily Wastewater to Generate Renewable Energy” (2025) Innovative: International Multidisciplinary Journal of Applied Technology (2995-486X), 3(7), pp. 46–56. Available at: https://multijournals.org/index.php/innovative/article/view/3575 (Accessed: 13 January 2026).