DONEV, Dejan. THE FOUR PILLARS OF ECOLOGICAL ECONOMY. Studia Universitatis Babeș-Bolyai Bioethica, [S. l.], v. 62, n. 1-2, p. 35–42, 2017. DOI: 10.24193/subbbioethica.2017.03. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbbioethica/article/view/1342. Acesso em: 10 feb. 2025.