“Adsorption of Hexavalent Chromium Ion from Aqueous Solution by Sodium Alginate and Carboxymethyl Cellulose Beads: Kinetics and Isotherm Studies”. 2018. Al-Nahrain Journal of Science 18 (4): 40-48. https://mail.anjs.edu.iq/index.php/anjs/article/view/283.