Zhang, Jie, Lingling Zhang, Hulin Li, Xinyue Tian, Rongpu Huang, and Jinling Lu. “Catalyzed Hydrothermal Treatment of Oily Sludge: A Review”. Clean Energy Science and Technology 2, no. 1 (February 29, 2024): 107. Accessed December 18, 2024. https://cae.usp-pl.com/index.php/cest/article/view/107.