Fedora Talitha Octa Purnamasari, Jawwad MAS. Evaluasi Kinerja Primary Clarifier di IPAL PT.X dalam Pengolahan Limbah Cair Kertas : Analisis Masalah Sludge. envirous [Internet]. 2025Sep.26 [cited 2025Sep.28];6(1):35-40. Available from: https://envirous.upnjatim.ac.id/index.php/envirous/article/view/358