Al-Juboori, Intisar Saber, and Nada Abdulrazzaq Agha. 2023. “The Impact of Attributes-Based Costing and Performance-Focused Activity Based Costing on Six Sigma through the Mediating Role of Benchmarking: An Exploratory Study”. Tikrit Journal of Administrative and Economic Sciences 19 (61, 2):140-60. https://doi.org/10.25130/tjaes.19.61.2.9.