For citations:

Ermakov A.Yu., Senkus V.V., Pham D.T., Sencus V.V., Abramkin N.I., Ermakov E.A. Combined Mining Technologies for Coal Deposits (Review). Mining Science and Technology (Russia). 2019;4(4):230-250. (In Russ.) https://doi.org/10.17073/2500-0632-2019-4-230-250