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Olsztyn Economic Journal > 2009 > 4 > 1 > 95-105
Management > 2002 > Vol. 6, no 2 > 241-251
Gospodarka w praktyce i teorii / Economy in Practice and Theory > Gospodarka w praktyce i teorii 2014 nr 2(35)
Olsztyn Economic Journal > 2009 > 4 > 1 > 95-105
Management > 2002 > Vol. 6, no 2 > 241-251
Gospodarka w praktyce i teorii / Economy in Practice and Theory > Gospodarka w praktyce i teorii 2014 nr 2(35)