V. J. Kaneria, Om Teraiya, and Parinda Bhatt. “Generalized Odd-Even Sum Labeling and Some $\alpha-$Odd-Even Sum Graphs”. International Journal of Mathematics And its Applications 6, no. 1 - B (January 20, 2018): 381–385. Accessed May 9, 2024. http://ijmaa.in/index.php/ijmaa/article/view/936.