Abdulhadi Mirdan Ghaleb. “Investigation of Electronic Structure for β-Zr in the(s-D) Subshell”. Tikrit Journal of Pure Science 21, no. 6 (February 8, 2023): 126–131. Accessed November 12, 2024. https://tjps.tu.edu.iq/index.php/tjps/article/view/1090.