S. J. Hashim, O. N. Salman, and K. I. Hasson, “The Optical properties of Fe-Doped TiO2 films prepared by Hydrothermal Technique”, Al-Nahrain J. Sci., vol. 23, no. 3, pp. 7–16, Sep. 2020, Accessed: May 22, 2026. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/2322