M. Al-Wazzan, Ruba Rafea, and Mufeed D. Y. Almula-Dhanoon. “Does Education Affect Income Distribution in Developing Countries?”. Tikrit Journal of Administrative and Economic Sciences, vol. 17, no. 55, 3, Sept. 2021, pp. 557-75, doi:10.25130/tjaes.17.55.3.33.