Hasan , Ahmed Jasim, and Hanaa Saad Shebeeb. “Evaluating the Economic Performance Efficiency of the Alqaseem Central Concrete Mixer for the Period (2020-2024)”. Al-Ghary Journal of Economic and Administrative Sciences 21, no. 3 (July 13, 2026): 320–355. Accessed September 11, 2026. https://journal.uokufa.edu.iq/index.php/ghjec/article/view/19518.