Al-Kawaz, Saad M., and Abdulrazaq A. Hussien. “The Rentier State and Rentier Economy Between the Conceptual Problem and the Diversity of Characteristics”. Academic Journal of Nawroz University 7, no. 2 (April 21, 2019): 202–215. Accessed April 26, 2024. https://journals.nawroz.edu.krd/index.php/ajnu/article/view/451.