“The Study of the Adsorption of Zinc Ions by Acid-Modified Acacia Sawdust (Acacia Auriculiformis)”. Sorbtsionnye I Khromatograficheskie Protsessy, vol. 19, no. 5, Oct. 2019, pp. 588-95, https://doi.org/10.17308/sorpchrom.2019.19/1174.