Bayasgalan, K., M. Bayanmunkh, U. Baatar, B. Bayarkhuu, and T. Murneren. “Characterization and Thermogravimetric Analysis of Oil Shale from Uvurjargalant Deposit”. Mongolian Journal of Chemistry, vol. 19, no. 45, Dec. 2018, pp. 19-23, doi:10.5564/mjc.v19i45.1085.