ASTANIN, D. M. Fifth level of organisation of environmental protection systems: International law. Evolution of institutions of environmental global policy. New Trends and Issues Proceedings on Humanities and Social Sciences, [S. l.], v. 6, n. 6, p. 41–47, 2019. DOI: 10.18844/prosoc.v6i6.4466. Disponível em: https://un-pub.eu/ojs/index.php/pntsbs/article/view/4466. Acesso em: 29 apr. 2024.