Liu, S. ., Ngadi, N. ., & Bakar, A. A. . (2025). Sustainable utilization of agricultural waste: Adsorption performance of magnetic polyethyleneimine-modified peanut shell biochar for eco-friendly Congo red removal in dyeing wastewater. Edelweiss Applied Science and Technology, 9(3), 1238–1251. https://doi.org/10.55214/25768484.v9i3.5479