Kavithaa, S., and V. Kaladevi. “Wiener, Hyper Wiener and Detour Index of Pseudoregular Graphs”. Journal of Informatics and Mathematical Sciences 9, no. 3 (October 31, 2017): 751–763. Accessed June 20, 2025. http://www.journals.rgnpublications.com/index.php/jims/article/view/937.