N.Hamedd, D. and B.M.Rashed, Q. 2017. Calculation of the energy levels for nucleusby applying the nuclear shell model using modified surface delta interaction. Journal of Kufa-Physics. 9, 2 (Dec. 2017), 89–95. DOI:https://doi.org/10.31257/2018/JKP/2017/v9.i2.9424.