Habek, Patrycja, Wolniak, Radoslaw (2015). WHAT FACTORS AFFECT THE QUALITY OF SUSTAINABILITY REPORTS THE CASE OF REPORTS FROM SELECTED EUROPEAN UNION MEMBER STATES. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION, 767-774. https://doi.org/10.5593/sgem2015/b53/s21.099