جمعة سندس هادي, and جاسم احمد صبيح. “Treatment of Polluting Elements in the Soil in the Dora Refinery”. Journal of Petroleum Research and Studies 7, no. 2 (May 15, 2017): 28-44. Accessed November 23, 2024. https://jprs.gov.iq/index.php/jprs/article/view/174.