Basna Hameed Ahmad, and Rizgar Abdullah Sabir Jaf. 2026. “The Effect of Value Stream Costing Technique on Improving Product Quality: An Analytical Study on a Sample of Administrative and Financial Staff in Industrial Companies in the Kurdistan Region of Iraq”. Tikrit Journal of Administrative and Economic Sciences 22 (74 part 2):836-58. https://doi.org/10.25130/tjaes.22.74.2.42.