MOGHARRAB M.; NADJAFI-ARANI M.J.; FATH-TABAR G.H.; ASHRAFI A.R. Some bounds on balaban index of a graph. Utilitas Mathematica , [S. l.], v. 84, 2011. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/809. Acesso em: 8 may. 2026.