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Polish Journal of Management Studies > 2019 > Vol. 19, No. 2 > 61--74
Journal of Agribusiness and Rural Development > 2015 > 2(36) > 267-272
LogForum > 2013 > Vol. 9, no. 3 > 153--159
Zarządzanie i Finanse > 2012 > 2 > 2 > 191-202
MSIE 2011 > 690 - 694
Ekonomický časopis (Journal of Economics) > 2011 > 59 > 3 > 225 – 242
Olsztyn Economic Journal > 2009 > 4 > 2 > 241-251
Olsztyn Economic Journal > 2009 > 4 > 2 > 241-251