A. Migala-Warchol, E. Szczygiel (2018). CLASSIFICATION OF THE EUROPEAN UNION COUNTRIES WITH AN APPLICATION OF THE MODIFIED HUMAN DEVELOPMENT INDEX. 5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018, 87-94. https://doi.org/10.5593/sgemsocial2018/3.3/S12.012