A. A. Hussein, S. S. Omer, I. S. Ali, and B. F. Suleiman, “Assessment of Hepatic Mineral Composition in Sheep, Cattle, Chicken, and Fish in Erbil City, Kurdistan Region-Iraq”, KJAR, vol. 6, no. 1, pp. 46–55, Jul. 2021, doi: 10.24017/science.2021.1.6.