Osinubi, Tokunbo S., Lloyd Amaghionyeodiwe, and Chikaodili C. Okoye. “Assessing the Optimal Capital Structure: A Case Study of Afren Public Limited Company - a Small Exploration and Production Oil and Gas Company”. Journal of Management, Economics, and Industrial Organization 3, no. 1 (January 1, 2019): 25–50. Accessed December 8, 2025. https://www.jomeino.com/index.php/jomeino/article/view/99.