“Influence Of The Experiment-Geometry On The Attenuation Of Beta-Particles”. Journal of Zankoy Sulaimani - Part A 16, no. 4 (October 16, 2014): 1–8. Accessed March 1, 2024. https://jzs.univsul.edu.iq/index.php/jzs/article/view/jzs-10341.