IBRAHIM, H. A. A.; ALSHARAFI, M. S. Y.; TOBAILI, S. S. A. The Hub Number of Subdivision Graphs. University of Aden Journal of Natural and Applied Sciences, [S. l.], v. 30, n. 1, p. 55–69, 2026. DOI: 10.47372/uajnas.2026.n1.a04. Disponível em: https://uajnas.adenuniv.com/index.php/uajnas/article/view/413. Acesso em: 4 nov. 2026.