WEN, Wen. A Brief Analysis of Technological Innovation in Urban Wastewater Treatment. Scientific Journal of Technology, [S. l.], v. 7, n. 8, p. 82–86, 2025. DOI: 10.54691/pn612n50. Disponível em: https://sjtechnology.org/index.php/ojs/article/view/178. Acesso em: 12 jul. 2026.