Bellache, Dihia, et al. “Adsorption of Zn (II) Ions from Refinery Wastewater by Sulfuric Acid-Modified Bentonite: Kinetic and Isotherm Studies”. Nova Biotechnologica Et Chimica, vol. 21, no. 2, June 2022, p. e1267, doi:10.36547/nbc.1267.