Ebrahiem, Samira A., et al. “Simulation Study of Sputtering Yield of Zn Target Bombarded By Xenon Ions”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 29, no. 2, Mar. 2017, pp. 104-1, https://jih.uobaghdad.edu.iq/index.php/j/article/view/89.