@inproceedings{sgem2018S12012,
  title = {CLASSIFICATION OF THE EUROPEAN UNION COUNTRIES WITH AN APPLICATION OF THE MODIFIED HUMAN DEVELOPMENT INDEX},
  author = {A. Migala-Warchol and E. Szczygiel},
  booktitle = {5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018},
  year = {2018},
  pages = {87-94},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgemsocial2018/3.3/S12.012}
}