Maki, Samir A., and Zainab S. AbdulRidha. “Fabrication of Photodetector and Study of Its Structural and Optical Properties of Cadmium Oxide Thin Films Prepared by Vacuum Thermal Evaporation Method”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 27, no. 3, Apr. 2017, pp. 227-36, https://jih.uobaghdad.edu.iq/index.php/j/article/view/285.