حقي امل اسماعيل. شبكات نقل البيانات الدولية والاقليمية. Iraqi Journal for Computers and Informatics, [S. l.], v. 9, n. 1, p. 145–169, 1982. DOI: 10.25195/ijci.v9i1.157. Disponível em: https://ijci.uoitc.edu.iq/index.php/ijci/article/view/157. Acesso em: 31 may. 2026.