Oyesiji Yinusa Kolawole, and Rihanat I. Abdulkadir. “FINANCIAL EFFICIENCY AND PRIVATE INVESTMENT IN SUB-SAHARAN AFRICA”. Labuan Bulletin of International Business and Finance (LBIBF), vol. 24, no. 1, Aug. 2026, pp. 199-13, doi:10.51200/lbibf.v24i1.6769.