Ali Al-Azzawi, Shabib Ahmed, and Latif Ibrahim Muhammad al-Amerli. “Spatial Analysis of the Cement Industry in Sulaymaniyah Governorate”. Journal of Tikrit University for Humanities 25, no. 1 (January 20, 2018): 531–551. Accessed July 31, 2026. https://jtuh.org/index.php/jtuh/article/view/471.