For citations:
Nguyen V.N., Pham T.N., Osinski P., Nguyen T.C., Trinh L.H. Substantiation of pillar parameters in mining of inclined coal seams in Quang Ninh Province, Vietnam. Mining Science and Technology (Russia). 2022;7(2):93-99. https://doi.org/10.17073/2500-0632-2022-2-93-99
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