Zhou, Yun-Xia, and Hong-Hai Li. “On the Tricyclic Graphs With Three Disjoint 6-Cycles and Maximum Matching Energy”. Tamkang Journal of Mathematics 46, no. 4 (December 22, 2015): 389–399. Accessed December 3, 2024. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/1768.