SYROEZHKIN, Konstantin. GUAM AND THE SCO: COMPARATIVE ANALYSIS. CENTRAL ASIA AND THE CAUCASUS, Delhi, India, v. 9, n. 3-4, p. 229–241, 2008. Disponível em: http://13.200.237.241/CAC/index.php/cac/article/view/1183.. Acesso em: 9 jan. 2025.