“Study of the Kinetics of Adsorption of cobalt(II) and nickel(II) Ions by Natural Sorbents”. Sorbtsionnye I Khromatograficheskie Protsessy, vol. 25, no. 4, Nov. 2025, pp. 499-08, https://doi.org/10.17308/sorpchrom.2025.25/13278.