N.Hamedd, D., and Q. B.M.Rashed. “Calculation of the Energy Levels for Nucleusby Applying the Nuclear Shell Model Using Modified Surface Delta Interaction”. Journal of Kufa-Physics, vol. 9, no. 2, Dec. 2017, pp. 89-95, https://doi.org/10.31257/2018/JKP/2017/v9.i2.9424.