Andrio, David, Muhammad Ramadhan Saputra, and Lita Darmayanti. 2024. “Utilization of Magnetic Biochar from Palm Shell As An Adsorbent for Removal of COD, Total Suspended Solid, Oil and Grease in Greywater”. Jurnal Penelitian Pendidikan IPA 10 (3):1195-1204. https://doi.org/10.29303/jppipa.v10i3.4597.