Determination of radon concentrations, surface emission rate and mass emission rate radon in the surface soils of the city of Tuzharmatu in Governorate of Salah Al-Din. IJAP [Internet]. 2024 Jul. 1 [cited 2026 Jul. 21];20(3A):569-72. Available from: https://ijap-iq.com/index.php/ijap/article/view/671