P. Z. Akbari, J. M. Shah, and V. J. Kaneria. “Absolute Mean Graceful Labeling of Disjoint Union of Some Graphs”. International Journal of Mathematics And its Applications 12, no. 2 (May 20, 2024): 61–71. Accessed July 3, 2024. https://ijmaa.in/index.php/ijmaa/article/view/1448.