NUGRAHA, A. A.; FITRIANI, F.; ANSORI, M.; FAISOL, A. The Implementation of Rough Set on A Group Structure. Jurnal Matematika MANTIK, [S. l.], v. 8, n. 1, p. 45–52, 2022. DOI: 10.15642/mantik.2022.8.1.45-52. Disponível em: https://jurnalsaintek.uinsby.ac.id/index.php/mantik/article/view/1270. Acesso em: 7 may. 2024.