PAN, Hong. ON c-NORMAL AND S-QUASINORMALLY EMBEDDED SUBGROUPS OF A FINITE GROUP. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 37, p. 54–60, 2017. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6831. Acesso em: 26 sep. 2026.