SADOWSKI, Ryszard F. The Concept of Nobilis Barbarus in the Light of Contemporary Ecological Challenges. Problemy Ekorozwoju, [S. l.], v. 11, n. 1, p. 23–30, 2016. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4956. Acesso em: 11 dec. 2024.