@inproceedings{sgem2021s1372,
  title = {EVALUATION OF INDOOR RADON IN STATE SCHOOLS IN DISTRICT KARDZHALI, BULGARIA},
  author = {K. Ivanova and D. Dzhunakova and B. Kunovska and Z. Stojanovska and J. Djounova},
  booktitle = {8th SWS International Scientific Conference on Social Sciences - ISCSS 2021},
  year = {2021},
  pages = {757-764},
  publisher = {SGEM World Science},
  doi = {10.35603/sws.iscss.vg2021/s13.72}
}