Design and Testing a Neutrons and Gamma-Rays Multilayer Shield Using Different Groups of Cross – Sections. Baghdad Sci.J [Internet]. 2025 Feb. 24 [cited 2025 Jun. 19];7(3):1120-6. Available from: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/1079