Abudlqadir, A. H., B. E. Hama, and S. M. Faraj. “The Effects of Financial Crisis on Birth Rates in Halabja Province from 2014 to 2018”. Economics, Management and Sustainability, vol. 5, no. 2, Nov. 2020, pp. 132-7, doi:10.14254/jems.2020.5-2.10.