“Hamiltonicity in directed Toeplitz graphs having increasing edges of length 1, 3 and 7”, JPRM, vol. 20, no. 2, pp. 64 – 76, Dec. 2024, Accessed: Jul. 30, 2025. [Online]. Available: https://jprm.sms.edu.pk/index.php/jprm/article/view/232