@inproceedings{sgem2018paper,
  title = {THE ANALYSIS OF COMPLAINTS AS THE TOOL OF IMPROVEMENT OF QUALITY OF INSULATING GLASS UNITS},
  author = {E. Kardas},
  booktitle = {5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018},
  year = {2018},
  pages = {1015-1022},
  publisher = {STEF92 Technology},
  doi = {}
}