Bunyod ORZIKULOV, et al. “KINETIC MODELS OF SORPTION OF COPPER (II) IONS ON IONITE BASED ON POLYACRYLONITRILE”. News of the NUUz, vol. 3, no. 3.1, Mar. 2024, pp. 419-24, doi:10.69617/uzmu.v3i3.1.1866.