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Conversatoria Litteraria > 2017 > 11 > XI > 473-484
International Journal of New Economics and Social Sciences (IJONESS) > IJONESS 2018 > 7(1) > 305-320
International Journal of New Economics and Social Sciences (IJONESS) > IJONESS 2018 > 7(1) > 239-253
Problemy Profesjologii > 2012 > 1 > 147-157
Problemy Profesjologii > 2012 > 1 > 159-168
Handel Wewnętrzny > 2016 > 6 (365) > 319-331