A. A. . . Majeed, N. M. Hamawandy, and F. A. . Abdul Karim, “Mechanisms of Tax Collection in Light of the Financial Crisis in the Kurdistan Region - Iraq for the years 2015-2019 : A Case Study of the General Directorate of Taxes and Government Real Estate in Erbil Governorate”, Polytechnic J. Hum. Soc. Sci., vol. 1, no. 2, pp. 22-31, Dec. 2020.