et. al., M. Angeline Ruba,. “Factorial Harmonious Graph of a Group”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 12 (May 23, 2021): 3344–3347. Accessed September 11, 2025. https://textitlejournal.com/turcomat.org/index.php/turkbilmat/article/view/8033.