Hamiltonicity in directed Toeplitz graphs having increasing edges of length 1, 3 and 7. Journal of Prime Research in Mathematics, [S. l.], v. 20, n. 2, p. 64 – 76, 2024. Disponível em: https://jprm.sms.edu.pk/index.php/jprm/article/view/232. Acesso em: 30 jul. 2025.