Alsaadi, S.D.Y. et al. 2021. Measurements of Radioactivity Concentrations in Granites and Sedimentary- Rocks and their Leaching Components in Egyptian Deserts. Al-Mukhtar Journal of Sciences. 36, 1 (Mar. 2021), 12–23. DOI:https://doi.org/10.54172/mjsc.v36i1.6.