Majeed, A. A. . .; Hamawandy, N. M.; Abdul Karim, F. A. . 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. 2020, 1, 22-31.