P. Shiladhar, A. M. Naji, and N. D. Soner. “Computation of Leap Zagreb Indices of Some Windmill Graphs”. International Journal of Mathematics And its Applications 6, no. 2 - B (June 15, 2018): 183–191. Accessed May 20, 2024. https://ijmaa.in/index.php/ijmaa/article/view/715.