Abd Burghal Al- Asadi, Ahmad. “Anaerobic Degradation of Crude Oil by Sulphate Reducing Bacteria Isolated from Soils Contaminated With Petroleum Hydrocarbons”. University of Thi-Qar Journal of Science 2, no. 4 (June 20, 2019): 3-12. Accessed August 15, 2021. https://jsci.utq.edu.iq/index.php/main/article/view/442.