@Article{579215,
     author = "Krzysztof Brzostek, Anna Michna",
     title = "Empirical Studies Concerning the Relationship between Knowledge Management and Effective Performance in Small- and Medium-Sized Enterprises : Selected Preliminary Results ",
     year =  2016,
     volume =  14,
     number =  3 (2),
     journal =  Problemy Zarządzania,
     pages =  s. 36-48,
    }