Jawad, Enas Ahmed, Mustafa Kamel Jassim, and Huda Majeed Tawfeek. 2017. “Calculating the Sputtering Yield of Lithium, Sodium and Krypton Bombarded by Same Target Ion Using TRIM Simulation Program”. Ibn AL-Haitham Journal For Pure and Applied Sciences 29 (3): 26-35. https://jih.uobaghdad.edu.iq/index.php/j/article/view/9.