The First Zagreb Index and the Narumi-Katayama Index of the Non-Commuting Graph on the Group U_{6n}. InPrime: Indonesian Journal of Pure and Applied Mathematics, [S. l.], v. 7, n. 2, p. 117–127, 2025. DOI: 10.15408/sxha8875. Disponível em: https://journal.uinjkt.ac.id/inprime/article/view/45483. Acesso em: 16 oct. 2025.