GASIM SALIM, A.; AWAD ALHAMDANI, R. Studying the Stability of Some Models Combinatory with Application. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 7, n. 2, p. 139–157, 2010. DOI: 10.33899/csmj.2010.163903 . Disponível em: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36356. Acesso em: 18 dec. 2025.