Nurhayati, Indah, Pungut Asmoro, and Sugito Sugito. “PENGOLAHAN AIR LIMBAH PABRIK TEMPE DENGAN BIOFILTER”. WAKTU: Jurnal Teknik UNIPA 9, no. 2 (July 15, 2011): 1–5. Accessed August 19, 2022. https://jurnal.unipasby.ac.id/index.php/waktu/article/view/917.