@Article{579421,
     author = "Leszek Kwieciński, Patrycja Matusz-Protasiewicz",
     title = "The Ethnic Entrepreneurship as a Multidimensional Process in the Context of System Approach ",
     year =  2017,
     volume =  15,
     number =  1 (1),
     journal =  Problemy Zarządzania,
     pages =  s. 97-109,
    }