KONARSKI, Wawrzyniec. Mineral energy sources and political activities: introduction to mutual dependencies and their selected exemplification. Problemy Ekorozwoju, [S. l.], v. 9, n. 1, p. 63–70, 2014. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4892. Acesso em: 22 jul. 2024.