IBRAHIM, Rahji Ohize и NAGERI, Kamaldeen Ibrahem. Foreign Financial Flows on Financial Efficiency in Sub-Sahara African Countries. Copernican Journal of Finance & Accounting. Online. 29 Март 2024. Vol. 12, no. 4, pp. 49-71. [Accessed 29 Јуни 2025]. DOI 10.12775/CJFA.2023.020.