J. Arthy, K. Ramanathan, K. Manimekalai. Difference Cordial Labeling of Arrow Graph. Int. J. Math. And Appl. [Internet]. 2018 May 1 [cited 2025 Sep. 22];6(1 (Special Issue):103-8. Available from: https://ijmaa.in/index.php/ijmaa/article/view/1402