Oleiwi, Dr. Hind Fadhil, and Israa Abdul Kareem. “Enhancing Gas Sensing Performance of TiO2-ZnO Nanostructures: Effect of ZnO Concentration”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 36, no. 4, Oct. 2023, pp. 137-46, https://doi.org/10.30526/36.4.3173.