“The Effect of Raised the Data Envelope and Benchmarking Technique on Competitive Advantage : Applied Research in a Group of Iraqi Private Banks”. Journal of Accounting and Financial Studies ( JAFS ), vol. 18, no. 62, Mar. 2023, pp. 326-40, https://jpgiafs.uobaghdad.edu.iq/index.php/JAFS/article/view/1198.