RASHEED, Mohammed. “Statistical Analysis of Copper Doped Titanium Dioxide”. Journal of Al-Qadisiyah for Computer Science and Mathematics 14, no. 3 (September 24, 2022): Math Page 80–88. Accessed November 14, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/1030.