Пістунов, Ігор Миколайович, and Олексій Павлович Пономаренко. 2016. “Improvement of the Method for Calculation of Bonus Payments of Employees at Mining Stations of Coal Mines”. Technology Audit and Production Reserves 3 (4(29):42-46. https://doi.org/10.15587/2312-8372.2016.72342.