K. Mohammed, M., S. H. Khudaier, I. kamil Al-Mayaly, and S. A. Salman. “Isolation, Screening and Characterization of Crude Oil Degrading Bacteria Isolated from Al- Dora Refinery Wastewater Treatment Plant”. Al-Qadisiyah Journal of Pure Science, Vol. 23, no. 3, Sept. 2018, pp. 87 -99, doi:10.29350/jops.2018.23.3.894.