Ahmed, Emad, عماد, Zeena Salih, زینة, Motasem Yousef, and معتصم. 2018. “The Study of Isomeric State for Even-Even Isotones With N=4”. Journal of Education and Science (JES) 27 (4):176-86. https://doi.org/10.33899/edusj.2018.159294.