ZIDANE SYAH PUTRA; CINDY AISYAH HAKIM. Analisis Efektivitas Instalansi Pengolahan Lumpur Tinja Kabupaten Nganjuk untuk menurunkan Kadar Polutan: Analysis of the Effectiveness of the Sludge Treatment Plant in Nganjuk Regency to Reduce Pollutant Levels. Envirous, [S. l.], v. 6, n. 2, p. 32–40, 2026. DOI: 10.33005/envirous.v6i2.418. Disponível em: https://envirous.upnjatim.ac.id/index.php/envirous/article/view/418. Acesso em: 18 apr. 2026.