Hady, H. N., and S. E. Abd. “Using Nd Isotopes 156-148 Symmetry Shapes for Transitions Studying Ofinteracting Boson Model”. Al-Qadisiyah Journal of Pure Science, Vol. 18, no. 4, July 2017, pp. 90-105, https://journalsc.qu.edu.iq/index.php/JOPS/article/view/268.