Ogundele, Sakiru. “The Entrepreneurial Ambition of Retirees Reflects Their Entrepreneurial Orientation. A Systematic Review: Introduction, Methodology, Result and Discussion, Discussion, and Conclusion. ”. International Journal of Innovation and Business Strategy (IJIBS) 19, no. 2 (December 16, 2025). Accessed February 8, 2026. https://ijibs.utm.my/index.php/ijibs/article/view/162.