EDEGHAGBA, E. E. On Ω-Subgroup . Gadau Journal of Pure and Allied Sciences, [S. l.], v. 1, n. 1, p. 55–67, 2022. DOI: 10.54117/gjpas.v1i1.7. Disponível em: https://gadaufos.com/gjpas/index.php/journal/article/view/7. Acesso em: 20 nov. 2024.