Designing an Indoor Radon Risk Exposure Indicator (IRREI): An Evaluation Tool for Risk Management and Communication in the IoT Age Sérgio Ivan Lopes Leonel J. R. Nunes António Curado Publication Journal: International Journal of Environmental Research and Public Health Year of Publication: 2021 Volume: 18 Issue: 15 Pagination: 7907 Identifiers Other Numbers: 97570514 Alternative titles DOIGoogle ScholarBibTeXRIS Locators