Mazis, Ioannis, Xanthippi Domatioti, Agis Digkas, & Panagiotis Karampoulis. " Application of Systemic Geopolitical Analysis: the compound geopolitical indicator of the energy reserves and their distribution in the geopolitical complex of the Arctic Ocean." Civitas Gentium [Online], 7.2 (2019): 232-294. Web. 25 Nov. 2020