Ahmed, M. R.; Mia, S.; Sattar, M. A.; Masud, M. M.; Alam, S. M. M.; Akter, S.; Mia, M. S.; Aktar, S. Chemical Modification of Biochar’s Functional Groups Enhances Phosphate and Arsenite Adsorption. Sains Tanah J. Soil Sci. Agroclimatology 2025, 22 (1), 203-219. https://doi.org/10.20961/stjssa.v22i1.92550.