K. K. El-Din and . . E. K. H. . Mahmoud, “The impact of applying total quality management on employee performance (an applied study in laboratories affiliated with hospitals in the center of Diwaniyah Governorate in Iraq)”, Al-Ghary Jour. Eco. Admini. Sci., vol. 21, no. 1, pp. 438–456, Jul. 2026, doi: 10.36325/ghjec.v21i1.19193.