@inproceedings{sgem2019S04005,
  title = {BULGARIA AS A SOLO TRAVELER DESTINATION: ASSESSMENT OF AVAILABLE RESOURCES},
  author = {K. Popova and M. Malcheva and F. Marinov},
  booktitle = {6th SWS International Scientific Conference on Social Sciences ISCSS 2019},
  year = {2019},
  pages = {33-40},
  publisher = {STEF92 Technology},
  doi = {10.5593/SWS.ISCSS.2019.2/S04.005}
}