PINDÓR, T. . INNOVATIVE METHODS OF NATURAL GAS EXPLOITATION AS A FACTOR OF SUSTAINABLE DEVELOPMENT OF WORLD ECONOMY. Ekonomia i Środowisko - Economics and Environment, [S. l.], v. 63, n. 4, p. 13, 2017. Disponível em: https://www.ekonomiaisrodowisko.pl/journal/article/view/344. Acesso em: 20 jan. 2022.