De Yarist, Fhilomena Grace, Herman Santjoko, and Ibnu Rois. “Pengaruh Pengolahan Filtrasi Dan Koagulasi Menggunakan Serbuk Biji Kelor Terhadap Penurunan Kadar COD Air Limbah Laundry”. Buletin Keslingmas 44, no. 3 (September 3, 2025): 142–146. Accessed October 25, 2026. https://ejournal.poltekkes-smg.ac.id/ojs/index.php/keslingmas/article/view/12354.