@inproceedings{sgem2018S05010,
  title = {APPLICATION OF NEURAL NETWORKS IN REGRESSION PROBLEMS WITH QUALITATIVE DATA ON AN EXAMPLE OF GEMSTONES VALUATION},
  author = {Janusz Morajda},
  booktitle = {5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018},
  year = {2018},
  pages = {77-84},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgemsocial2018/1.5/S05.010}
}