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Prace Naukowe Uniwersytetu Ekonomicznego we Wrocławiu > 2018 > 531 > 368-378
Operations Research and Decisions > 2018 > Vol. 28, No. 2 > 41--56
Operations Research and Decisions > 2018 > 28 > 2 > 41-56
Prace Naukowe Uniwersytetu Ekonomicznego we Wrocławiu > 2018 > 531 > 368-378
Operations Research and Decisions > 2018 > Vol. 28, No. 2 > 41--56
Operations Research and Decisions > 2018 > 28 > 2 > 41-56