“Kinetic Evaluation of Petroleum Refinery Wastewater Biodegradation in an Activated Sludge Process”, NIJOTECH, vol. 40, no. 5, pp. 855–860, Nov. 2021, Accessed: Apr. 16, 2026. [Online]. Available: https://www.nijotech.com/index.php/nijotech/article/view/2476