G. Ramya, and D. Kalamani. “Some Cordial Labeling for Commuting Graph of a Subset of the Dihedral Group”. Malaya Journal of Matematik 9, no. 01 (January 1, 2021): 461–464. Accessed November 22, 2024. https://www.malayajournal.org/index.php/mjm/article/view/1058.