Theoretical appraisal of multimodal federalism as a framework of governance and the prospect of sustainable development in Nigeria. African Journal of Governance and Development, [S. l.], v. 4, n. 2, p. 46–64, 2015. Disponível em: https://ajgd.journalofgovernance.com/index.php/ajgd/article/view/197.. Acesso em: 20 may. 2026.