YOUSIF, M.; معتصم. Study of the nuclear structure of the even-even isotopes 158 -160 Er. Journal of Education and Science (JES), [S. l.], v. 33, n. 1, p. 74–83, 2024. DOI: 10.33899/edusj.2024.144947.1410. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/18506. Acesso em: 4 aug. 2025.