Stadnik, M., Semenchenko, D., Semenchenko, A., Belytsky, P., Virych, S. and Tkachov, V. (2019) “Improving energy efficiency of coal transportation by adjusting the speeds of a combine and a mine face conveyor”, Eastern-European Journal of Enterprise Technologies, 1(8 (97), pp. 60–70. doi: 10.15587/1729-4061.2019.156121.