Generalized Graph Energies of a Regular Graph under Vertex Duplication Operation. Journal of Prime Research in Mathematics, [S. l.], v. 20, n. 2, p. 93 – 116, 2024. Disponível em: https://jprm.sms.edu.pk/index.php/jprm/article/view/234. Acesso em: 30 jul. 2025.