@inproceedings{sgem2018S04019,
  title = {DEVELOPMENT MODELS OF SKI RESORTS – SELECTED EXAMPLES FROM POLAND},
  author = {M. Zemla and A. R. Szromek},
  booktitle = {5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018},
  year = {2018},
  pages = {145-152},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgemsocial2018/1.4/S04.019}
}