Mohammed, Ahmed A. “Biosorption of Lead, Cadmium, and Zinc onto Sunflower Shell: Equilibrium, Kinetic, and Thermodynamic Studies”. Iraqi Journal of Chemical and Petroleum Engineering 16, no. 1 (March 30, 2015): 91–105. Accessed December 23, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/248.