Faryal Chaudhry, H. R. Manjunatha, Muhammad Arshad, and Ali Hasan. “Valency Based Topological Indices of Starphene Graph”. International Journal of Mathematics And its Applications 10, no. 3 (September 15, 2022): 19–26. Accessed October 2, 2022. http://ijmaa.in/index.php/ijmaa/article/view/22.