CHUDZIK, J. The Usefulness of Jonas Theory in solving particular ecological problems?. Studia Ecologiae et Bioethicae, [S. l.], v. 5, n. 1, p. 125–141, 2007. DOI: 10.21697/seb.2007.5.1.09. Disponível em: https://czasopisma.uksw.edu.pl/index.php/seb/article/view/7622. Acesso em: 28 jul. 2024.