Hamdi, Hamida, and Amina Hellal. “Optimization of Phenol Biodegradation by Immobilized Bacillus Subtilis Isolated from Hydrocarbons-Contaminated Water Using the Factorial Design Methodology”. Journal of the Serbian Chemical Society 84, no. 7 (July 29, 2019): 679–688. Accessed April 24, 2024. https://shd-pub.org.rs/index.php/JSCS/article/view/7649.