@Article{428725,
     author = "Janusz Heller, Marcin Bogdański",
     title = "Economic Growth in the Warmia and Mazury Voivodship Compared to Selected Countries and Regions of the European Union",
     year =  2014,
     volume =  9,
     number =  1,
     journal =  Olsztyn Economic Journal,
     pages =  s. 5-16,
    }