Petlovanyi, MykhailoMykhailoPetlovanyiSai, KaterynaKaterynaSaiMalashkevych, DmytroDmytroMalashkevych2022-05-152022-05-152021Petlovanyi Mykhailo, Sai Kateryna & Malashkevych D. (2021). Analysis of the inefficient waste rock flow movements in the coal mine technological scheme. XIII International Science Conference «Perspectives of development of science and practice», December 14 – 17, 2021, Prague, Czech Republic, 534-538http://ir.nmu.org.ua/handle/123456789/160381encoal mine, waste rock, backfillArticle