Ahmed, Ahmed Elsheikh M., and Leena Ahmed Elsheikh. “The Effect of Shocks on the Current and Future Behavior of Sudan Economy: Autoregressive Moving-Average Approach”. European Scientific Journal, ESJ 16, no. 19 (July 31, 2020): 475. Accessed April 18, 2024. https://eujournal.org/index.php/esj/article/view/13201.