Jahandideh, M., M.R. Darafsheh, and N. Shirali. “COMPUTATION OF TOPOLOGICAL INDICES OF NON-COMMUTING GRAPHS”. Italian Journal of Pure and Applied Mathematics 34 (June 30, 2015): 299–310. Accessed August 7, 2026. https://journals.uniurb.it/index.php/ijpam/article/view/6371.