Radon exposure in kindergartens in one Bulgarian district
Angelova, Antoaneta, Chobanova, Nina, Kunovska, Bistra, Djunakova, Desislava, Ivanova, Kremena, Stojanovska, Zdenka
Results of radon CR-39 detectors exposed in schools due two different long-term periods
Stojanovska, Zdenka, Boev, Blazo, Zunic, Zora S., Bossew, Peter, Jovevska, Svetlana