اد. سعد عبد الله الكرم, د. أيمن عبد الغني حمزة, and محمد عبد الله أبو الصن. 2020. “Impact of Advances of Exchange Rate on Scale of Trade Volume Between Sudan and Egypt (2000-2018)”. White Nile Journal for Studies and Research, no. 15 (March):154-74. https://journals.wnu.edu.sd/index.php/wnjsr/article/view/141.