MALIKOVA, Olga; DAVYDENKO, Alexander. Prospects for Development of Oilfield Services in Russia. Gosudarstvennaya Sluzhba, [S. l.], v. 13, n. 5, p. 35–39, 2011. Disponível em: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/21376. Acesso em: 9 nov. 2026.