“Thermodynamic and Kinetic Study of the Adsorption of Pb (II) from Aqueous Solution Using Bentonite and Activated Carbon”. Al-Khwarizmi Engineering Journal 9, no. 2 (June 30, 2013): 48–56. Accessed May 2, 2024. https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/167.