SOURCES OF INCOME DIVERSIFY IN RENTIERAL COUNTRIES: TAX INCOME AS A MODEL IN IRAQ FOR THE PERIOD 2004-2021, REALITY AND AMBITION. Wor.econo. and fin. Bul. 2022;15:1-10. Accessed January 14, 2026. https://scholarexpress.net/index.php/wefb/article/view/1439