@Article{579247,
     author = "Tomasz Dyczkowski",
     title = "Applying Text Mining to Analyze the Performance of PBOs on the Basis of Their Obligatory Annual Activity Statements",
     year =  2016,
     volume =  14,
     number =  4 (1),
     journal =  Problemy Zarządzania,
     pages =  s. 123-138,
    }