Azeez, Duha Abbas, and Ali Abd Aubad. “Investigation of Commuting Graphs for Elements of Order 3 in Certain Leech Lattice Groups”. Iraqi Journal of Science 62, no. 8 (August 31, 2021): 2640–2652. Accessed December 18, 2025. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/2436.