HANAPPI, Hardy. Stormy Times Ahead: On Emerging Vassal Structures in Geopolitics. Advances in Social Sciences Research Journal, [S. l.], v. 13, n. 03, p. 38–47, 2026. Disponível em: https://scholarpublishing.org/journals/index.php/ASSRJ/article/view/167. Acesso em: 4 may. 2026.