@inproceedings{sgem2019s21093,
  title = {TELECOMMUNICATIONS USAGE AND ENERGY CONSUMPTION IN BULGARIA},
  author = {Mariana Kaneva},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Ecology, Economics, Education and Legislation},
  year = {2019},
  pages = {741-748},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2019/5.3/s21.093}
}