“A comparative study on the CO2 hydrogenation activity of K-promoted Fe-K/Al and Co-K/Al catalysts”, Himi, him. tehnol. hùrèèlèngijn èrdèm šinžilgèènij bùtèèl, vol. 13, no. 13, pp. 1–6, Oct. 2025, doi: 10.5564/bicct.v13i13.5173.