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Martin Telecký
University of South Bohemia in České Budějovice, Faculty of Economics, Department of Accounting and Finance, 37005České Budějovice, Czech Republic
Jiří Čejka
Institute of Technology and Business in České Budějovice, Faculty of Technology, Department of Informatics and Natural Sciences, Okružní 10, 37001České Budějovice, Czech Republic
Mykola Guchenko
Kremenchuk Mykhailo Ostrohradskyi National University,Kremenchuk, Ukraine