GU, Yuchen. The Adverse Effects of the Outbreak of Russia-Ukraine Conflict on the Energy Supply System of Europe. Journal of Education, Humanities and Social Sciences, [S. l.], v. 8, p. 1231–1238, 2023. DOI: 10.54097/ehss.v8i.4456. Disponível em: https://drpress.org/ojs/index.php/EHSS/article/view/4456. Acesso em: 14 aug. 2026.