Omelchenko OA, Kononenko OV, Livinsky VM, Evminov SV, Olendiy IA, Ovramets MA. ?he nature and characteristics of the evolution of the phenomenon of geopolitics. AmazInv [Internet]. 2022 Apr. 20 [cited 2024 Jul. 3];11(51):140-8. Available from: https://amazoniainvestiga.info/index.php/amazonia/article/view/1940