Qaseem, N. M. A., Khalid , M., & Al-Saffawi , A. (2023). Qualitative Assessment of Soil and Sediment Pollution with Some Heavy Metals: A Case Study of Duhok Valley in The Kurdistan Region of Iraq. Science Journal of University of Zakho, 11(1), 65–72. https://doi.org/10.25271/sjuoz.2023.11.1.1048