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المصدر: Optimum. Studia Ekonomiczne. :217-235
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::cb959e4baa0b25b3aafa75e0f70c665f
https://doi.org/10.15290/ose.2014.06.72.15
المصدر: Optimum. Studia Ekonomiczne. :217-235
URL الوصول:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb959e4baa0b25b3aafa75e0f70c665f
https://doi.org/10.15290/ose.2014.06.72.15