The United Nations in Multipolar Security Governance: Veto Politics, Norm Contestation, and Regional Substitution. National Security: A Journal of the National Defence University-Kenya, [S. l.], v. 4, n. 1, p. 161–180, 2026. DOI: 10.64403/h9329s04. Disponível em: https://journal.ndu.ac.ke/index.php/nsj/article/view/105. Acesso em: 12 may. 2026.