Zainab Abd Al-hadi, and Kareem Ali Jasim. “The Effect of Partial Substitution of Ge-S-Cd Alloys on the Density of Energy States”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 37, no. 1, Jan. 2024, pp. 140-7, https://doi.org/10.30526/37.1.3314.