Khudhur, Nashmeel, Sidra Qubad Yassin, Ahmed Saman Hassan, and Mortatha Nawzad Omar. “Applying Some Indices for Soil Pollution Assessment in Northern Industrial Area from Erbil Governorate”. Al-Qadisiyah Journal of Pure Science 26, no. 4 (July 17, 2021): 45-58. Accessed April 30, 2024. https://journalsc.qu.edu.iq/index.php/JOPS/article/view/1385.