On Subgroups of Non-Commutative Orthogonal Rhotrix Group. Al-Hikmah Journal of Pure and Applied Sciences (AJPAS) , [S. l.], v. 5, n. 1, 2025. DOI: 10.5281/zenodo.18110646. Disponível em: https://alhikmahuniversity.edu.ng/AJPAS/index.php/journal/article/view/8. Acesso em: 8 jan. 2026.