“Research on iron(III) and cobalt(II) adsorption activity of Aduunchuluun active carbon”, Himi, him. tehnol. hùrèèlèngijn èrdèm šinžilgèènij bùtèèl, vol. 11, no. 11, pp. 42–53, Dec. 2023, doi: 10.5564/bicct.v11i11.3287.