Ratnawati, R. et al. 2024. Biosorption of Cu(II) Ions by Water Hyacinth Leaf Powder: Process Performance, Kinetics, and Biosorption Isotherm. Periodica Polytechnica Chemical Engineering. 68, 2 (Jan. 2024), 239–252. https://doi.org/10.3311/PPch.22867.