M. CETERSKI, M. Geopolitical Case of Crimea: The Southern Watchtower. American Scientific Research Journal for Engineering, Technology, and Sciences, [S. l.], v. 27, n. 1, p. 85–98, 2017. Disponível em: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/2547. Acesso em: 2 may. 2024.