“A Study of the Relationship of Changes in the Factors Affecting on Tax Revenues in Iraq for the Period (2003- 2015)”. Journal of Accounting and Financial Studies ( JAFS ) 13, no. خاص (March 24, 2019): 507–542. Accessed December 27, 2024. https://jpgiafs.uobaghdad.edu.iq/index.php/JAFS/article/view/1792.