M. Sindhu, S. Chandra Kumar. Odd Vertex-In Magic Total Labeling of Some 2-Regular Digraphs. Int. J. Math. And Appl. [Internet]. 2022 Apr. 2 [cited 2024 May 7];10(1):59-65. Available from: http://ijmaa.in/index.php/ijmaa/article/view/14