1.
Koukakis G. From Heartland and Rimland, to Hyperland: Introducing a New Geopolitical Theory. HAPScPBS [Internet]. 2024 Dec. 31 [cited 2025 Jun. 6];5(2):81-92. Available from: https://ejournals.epublishing.ekt.gr/index.php/hapscpbs/article/view/40784