Susetyaningsih, Retno, Nurul Muyasaroh, Endah Ayuningtyas, Jumiati Jumiati, and Muhammad Rizqi Fahreza. “Optimization of Biofiltration Techniques for Reducing Heavy Metal Contamination in Urban Wastewater”. Jurnal Riset Teknologi Pencegahan Pencemaran Industri 16, no. 2 (November 11, 2025): 90–97. Accessed November 13, 2025. https://jrtppi.id/index.php/jrtppi/article/view/237.