SARGSYAN, Tigran A. REGIONAL CHARACTERISTICS, PRINCIPLES AND PERSPECTIVES OF EUROPE’S EXTERNAL ENERGY SUPPLY. Proceedings of the YSU C: Geological and Geographical Sciences, Yerevan, Armenia, v. 57, n. 1-2 (260), p. 53–60, 2023. DOI: 10.46991/PYSU:C/2023.57.1-2.053. Disponível em: https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol57_no1-2_2023_pp053-060. Acesso em: 3 jul. 2024.