“Structural and Optical Properties of Annealed TiO2 Powder Synthesized by Hydrothermal Method”, Iraqi Journal of Science, vol. 58, no. 3C, pp. 1683–1693, Nov. 2021, Accessed: Dec. 19, 2024. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5798