Kamarova, S., S. Abildinova, A. Terziev, and G. Baydusenov. “Improving the Efficiency of the Coal Grinding Process in Ball Drum Mills at Thermal Power Plants”. Eastern-European Journal of Enterprise Technologies, vol. 1, no. 1 (115), Feb. 2022, pp. 93-105, doi:10.15587/1729-4061.2022.253034.