Ajar, Seham H. S., Enas Y. A. Ahmad, Esraa A. A. Hussein, & Aeshah A.H. Habib. " Study the Effect of Irradiation on Structural and Optical Properties of (CdO) Thin Films that Prepared by Spray Pyrolysis." Ibn AL- Haitham Journal For Pure and Applied Science [Online], 28.2 (2015): 41-51. Web. 29 Nov. 2019