SEMENENKO, Inna. Energy security of Ukraine in the context of its sustainable development. Equilibrium. Quarterly Journal of Economics and Economic Policy, Olsztyn, v. 11, n. 3, p. 537–555, 2016. DOI: 10.12775/EQUIL.2016.024. Disponível em: https://economic-policy.pl/index.php/eq/article/view/128. Acesso em: 15 jan. 2026.