@Article{579201,
     author = "Łukasz Sienkiewicz",
     title = "Professionalization of Vocational Roles of Public Employment Services Employees in Europe Through Competency Profiling ",
     year =  2016,
     volume =  14,
     number =  3 (1),
     journal =  Problemy Zarządzania,
     pages =  s. 110-128,
    }