KOUKAKIS, G. From Heartland and Rimland, to Hyperland: Introducing a New Geopolitical Theory. HAPSc Policy Briefs Series, [S. l.], v. 5, n. 2, p. 81–92, 2024. DOI: 10.12681/hapscpbs.40784. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/hapscpbs/article/view/40784. Acesso em: 4 apr. 2025.