Khalifah, Rana Samir, and Ayad Ashour Hamza Al-Tai. “Cartographic Analysis of the Types of Population Densities for Diyala Governorate”. Al-Adab Journal, vol. 2, no. 137, June 2021, pp. 459-84, https://doi.org/10.31973/aj.v2i137.1625.