“Effect of inherent minerals on Na catalyzed gasification activity of Tavantolgoi coal”, Himi, him. tehnol. hùrèèlèngijn èrdèm šinžilgèènij bùtèèl, vol. 4, no. 9, pp. 26–32, Dec. 2021, doi: 10.5564/bicct.v4i9.1815.