Edema, Alfred JM, and Usoro Abosede A. “Intrapreneurial Leadership and Sustainability of Federal Universities in South-South Region Nigeria”. European Scientific Journal, ESJ 14, no. 4 (February 28, 2018): 272. Accessed April 18, 2025. https://test.eujournal.org/index.php/esj/article/view/10568.