Andrio, D. ., Saputra, M. R., & Darmayanti, L. (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