Hassan, Zuzan Naaman, and Nihad Titan Sarhan. “The Energy of Conjugacy Classes Graphs of Some Order of Alternating Groups”. Journal of University of Raparin 7, no. 4 (December 4, 2020): 62–71. Accessed September 19, 2024. https://journal.raparinuni2024.org/index.php/JUR/article/view/paper%20%205.