Haritha, T., and A.V. Chithra. “On the Distance Spectrum and Distance-Based Topological Indices of Central Vertex-Edge Join of Three Graphs”. Armenian Journal of Mathematics 15, no. 10 (October 10, 2023): 1–16. Accessed April 3, 2025. https://armjmath.sci.am/index.php/ajm/article/view/946.