AbdulKareem, S.M., M.H. Suhail, and I. K. Adehmash. “Fabrication of Cr2O3: ZnO Nanostructure Thin Film Prepared by PLD Technique As NH3 Gas Sensor”. Iraqi Journal of Science, no. 7 (July 31, 2021): 2176–2187. Accessed December 18, 2025. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3036.