BARAJA ESCUDERO, Manuel. Sicker, M., Geography and Politics Among Nations. An Introduction to Geopolitics. Bloomington, iUniverse, 2010, 236 pp. Historia Actual Online, [S. l.], n. 29, p. 197–198, 2022. DOI: 10.36132/hao.v0i29.785. Disponível em: https://historia-actual.org/Publicaciones/index.php/hao/article/view/785.. Acesso em: 28 apr. 2024.