B.S, S., M.I, K., & T.R, B. (2012). An economic mathematical model for the import of coal to Ukraine. General Energy Institute of the National Academy of Sciences of Ukraine.
Chicago-Zitierstil (17. Ausg.)B.S, Stohniy, Kaplin M.I, und Bilan T.R. An Economic Mathematical Model for the Import of Coal to Ukraine. General Energy Institute of the National Academy of Sciences of Ukraine, 2012.
MLA-Zitierstil (8. Ausg.)B.S, Stohniy, et al. An Economic Mathematical Model for the Import of Coal to Ukraine. General Energy Institute of the National Academy of Sciences of Ukraine, 2012.
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