Sabri , Jaafar Hussein, and Thair AbdulKhalil Al-Aish. “Simulate and Analyze the Effect of the Magnetic System on the Electron Oscillatory Motion and the Formation of the Free Electron Laser Beam”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 38, no. 2, Apr. 2025, pp. 124-33, https://doi.org/10.30526/38.2.3994.