Roaa Jassim Mohammed. “Effect of Zinc and Copper Co-Doping for Cadmium Oxide Thin Films OnNO2 and H2S Gases Sensitivity”. ٍِASJ - Academic Science Journal 3, no. 4 (October 6, 2025): 33–56. Accessed February 7, 2026. https://acadscij.uodiyala.edu.iq/index.php/Home/article/view/456.