Devi, V. Kala, and K. Marimuthu. “Bipartite Graphs Associated With 3 Uniform Semigraphs of Trees and Its Topological Indices”. Journal of Informatics and Mathematical Sciences 9, no. 3 (October 31, 2017): 741–750. Accessed May 2, 2024. http://www.rgnpublications.com/journals/index.php/jims/article/view/936.