Eseimieghan, T. and Onuorah, A.C.-C. 2025. Financing Mix Decision and Firm Performance Optimality: Evidence from the Nigerian Oil and Gas Industry. Journal of Accounting, Finance, and FinTech Advancements. 1, 2 (Jun. 2025), 70–78. DOI:https://doi.org/10.70865/jaffa.v1i2.76.