Adrianto, A., Hadi Pratomo, B., Cahya Pratiwi, D. and Rahmawati, E. 2023. The The Effectivity of Palm Oil Kernel Shell (OPS-Fe3O4) for Phenol Waste Degradation Routes. Al-Kimia. 11, 2 (Dec. 2023). DOI:https://doi.org/10.24252/al-kimia.v11i2.39783.