Roque de Oliveira, Francisco. “Sporadic Pandemics and Perennial States: : Geopolitics and Multilateral Cooperation in the Context of Covid-19”. Finisterra 55, no. 115 (August 5, 2021): 223–227. Accessed December 10, 2025. https://revistas.rcaap.pt/finisterra/article/view/20346.