A. Hussain, Abdulkareem, and Qahtan N. Abdullah. “ Studying the Structural, Optical and Electrical Properties of ZnO: SnO2 Thin Films As an Application of a Gas Sensor Using Vacuum Thermal Evaporation Technique”. Tikrit Journal of Pure Science 28, no. 6 (December 25, 2023): 66–75. Accessed June 17, 2025. https://tjpsj.org/index.php/tjps/article/view/1379.