N. M. Saeed, “The effect of annealing and the influence of Gamma-ray on the optical properties of nanostructure Zinc Oxide Thin Films”, IJP, vol. 8, no. 13, pp. 82–88, Dec. 2010, Accessed: Mar. 29, 2025. [Online]. Available: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/836