MATTER, Front. Front Matter. Journal of Sustainable Development Science, [S. l.], v. 2, n. 2, 2020. DOI: 10.46650/jsds.2.2.1019.%p. Disponível em: http://202.47.92.114/index.php/jsds/article/view/1019. Acesso em: 8 jun. 2026.