Delan Ramadhan Tamarkhan and Ameen M. Saeed ALedresi (2024) “Diversification of income sources in the United Arab Emirates for the period 1975-2022 (An economic analytical study)”, Tikrit Journal of Administrative and Economic Sciences, 20(67, part 1), pp. 18–36. doi: 10.25130/tjaes.20.67.1.2.