YUKSEL, Sarac Yesilada. The problem of subjectivity of values in the search for a universal environmental ethics . Heritage and Sustainable Development, [S. l.], v. 3, n. 1, p. 53–57, 2021. DOI: 10.37868/hsd.v3i1.54. Disponível em: http://hsd.ardascience.com/index.php/journal/article/view/54. Acesso em: 27 aug. 2026.