Anhar. F. Al-Mamory, and Kareem. H. Khwedim. “Study of the Controlling Factors of the Trace Elements in the Soil of East Baghdad Oil Field”. ٍِASJ - Academic Science Journal, vol. 1, no. 3, July 2023, pp. 189-03, https://doi.org/10.24237/ASJ.01.03.740B.