ALHUSSEINAWI, L., I. ASHRAFZADE, and Z. ALAJWADEE. “Risks and Problems of Lower Oil Prices in Preparing the General Budget of Iraq and the Necessity of Activating Sources of Non-Oil Income”. LUMEN Proceedings, Vol. 3, Aug. 2018, pp. 5-20, doi:10.18662/lumproc.nashs2017.1.