Ubale Yahaya, Jibrin. “A Critical Assessment of Nigeria’s Foreign Policy and National Interest under the Yar’Adua and Jonathan Administrations (2007–2015)”. Governance and Society Review 4, no. 1 (June 27, 2025): 64-92. Accessed October 18, 2025. https://journals.umt.edu.pk/index.php/gsr/article/view/5544.