K Banhatti and k hyper banhatti indices of the line graphs of h-pantacenic nanotubes. Journal of Prime Research in Mathematics, [S. l.], v. 14, n. 1, p. 62 – 73, 2018. Disponível em: https://jprm.sms.edu.pk/index.php/jprm/article/view/141. Acesso em: 7 dec. 2025.