Entesar Kadhim Jasim, Marwah Ali Maklef 2022. Sustainable Development and Demographics a Comparative Study between Urban and Rural Population According to Population Estimates for the Year 2021. Mathematical Statistician and Engineering Applications. 71, 4 (Oct. 2022), 5023–5045. DOI:https://doi.org/10.17762/msea.v71i4.1094.