PIOTR, D.; PIOTR, K. Green conceptions for the development of cities in the light of a sustainable development paradigm. New Trends and Issues Proceedings on Humanities and Social Sciences, [S. l.], v. 6, n. 3, p. 1–7, 2019. DOI: 10.18844/prosoc.v6i3.4330. Disponível em: https://un-pub.eu/ojs/index.php/pntsbs/article/view/4330. Acesso em: 5 may. 2024.