Hussein, A.M. 2018. Natural Radioactivity and Radon Exhalation in the Sediment River Used in Sulaymaniyah Governorate, Iraq, Dwellings. ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY. 6, 2 (Sep. 2018), 7-12. DOI:https://doi.org/10.14500/aro.10381.