akan david chucks, ighosewe e. felix, and sunny oteteya temile. “DETERMINANTS OF PROFITABILITY IN THE NIGERIAN OIL SECTOR”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 18, no. 4, Feb. 2021, pp. 3157-73, https://www.archives.palarch.nl/index.php/jae/article/view/6777.