@Article{579175,
     author = "Krzysztof Nowak, Dorota Markiewicz, Jakub Gawraczyński, Paweł Mazurkiewicz",
     title = "Cross-Country Comparison of Environmental Concern",
     year =  2016,
     volume =  14,
     number =  2 (2),
     journal =  Problemy Zarządzania,
     pages =  s. 83-101,
    }