PINDÓR, T. Non-renewable natural resources as the key factor in civilizational development . Ekonomia i Środowisko - Economics and Environment, [S. l.], v. 67, n. 4, p. 12, 2018. Disponível em: https://www.ekonomiaisrodowisko.pl/journal/article/view/129. Acesso em: 26 may. 2022.