Ahmad, N., Artha Zahara, Z., Wijaya, A., Arsyad, F. S., Royani, I., & Lesbani, A. (2023). Fabrication and Characterization Fe3O4/Humic Acid for the Efficient Removal of Malachite Green. Science and Technology Indonesia, 8(4), 616–625. https://doi.org/10.26554/sti.2023.8.4.616-625