K. M. Al- Ramahi F. SPATIAL ANALYSIS OF RADON GAS CONCENTRATION DISTRBUTED AT BAGHDAD CITY USING REMOTE SENSING AND GEOGRAPHIC INFORMATION SYSTEM TECHNIQUESD. Iraqi J. Agric. Sci. [Internet]. 2020 Jan. 24 [cited 2024 Apr. 27];51(Special). Available from: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/879