Shah, S. A., and M. Wasim. “Mass Attenuation Coefficients of IAEA Soil Standards at Different Gamma-Ray Energies”. The Nucleus 57, no. 2 (December 15, 2020): 62–66. Accessed December 4, 2024. http://thenucleuspak.org.pk/index.php/Nucleus/article/view/1142.