Qaseem, N.M.A., Khalid , M. and 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), pp. 65–72. doi:10.25271/sjuoz.2023.11.1.1048.