SAFONOV, Maxim. Energy security of the country and development of the oil & gas sector. Gosudarstvennaya Sluzhba, [S. l.], v. 17, n. 2, p. 37–44, 2015. Disponível em: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/22057. Acesso em: 9 nov. 2026.