Ali, M. H., and G. M. Dhahir. “Using Universal Kriging for Spatiotemporal Data of Soil Pollution With Metals in Al Karama Industrial Area in Mosul City”. Al-Kitab Journal for Pure Sciences, vol. 7, no. 02, Oct. 2023, pp. 99-114, doi:10.32441/kjps.07.02.p9.