Adel Abdel Aziz, Ahmed Mohamed, and Rowaida Ali Abed Al-Barry. “The Affection of Monetary Base to Gold Reserve Ratio on the US Dollar Exchange Rate in Egyptian Pounds”. Journal of Afro-Asian Studies, vol. 3, no. 11, Nov. 2021, p. 18, https://afroasian-studies.de/index.php/jass/article/view/101.