K. Alkasser, Mohammed, and Mukhtar D. Abbas. “The Environmental Impact Assessment of the Spent Engine Oil Recycling Plant by Using Leopold Matrix: Case Study Recycling Plant in Al-Diwaniyah City – Iraq”. Al-Qadisiyah Journal of Pure Science 26, no. 4 (July 27, 2021): 221-230. Accessed May 22, 2024. https://journalsc.qu.edu.iq/index.php/JOPS/article/view/1391.