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2. ANSI/AARST MAH.Protocol for Conducting Measurements of Radon and Radon Decay Products in Homes.2019.https://standards.aarst.org/MAH‐2019/
3. US EPA.Home Buyer's and Seller's Guide to Radon. United States Environmental Protection Agency. EPA 402/K‐13/002.2018.www.epa.gov/radon.
4. Studying temporal variations of indoor radon as a vital step towards rational and harmonized international regulation