Ivanova , K., Z. Stojanovska, B. Kunovska, D. Djunakova, J. Djounova, and N. Chobanova. “Continuous Measurements of Radon and Radon Progeny in Various Public Places”. Journal of the European Radon Association, vol. 3, Oct. 2022, doi:10.35815/radon.v3.8805.