@inproceedings{sgem2021s21074,
  title = {A STUDY OF THE IMPACT OF COVID-19 ON TOURISM DEMAND},
  author = {Lyubka Ilieva and Mariyana Bozhinova and Lyubomira Todorova},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Ecology, Economics, Education and Legislation},
  year = {2021},
  pages = {321-332},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2021/5.1/s21.074}
}