OMAR, Mohammed Ibrahim; W. KIPRUTO, Dr. Cheruiyot; W. KIMWELE, Dr. Michael. Securing the IP Multimedia Subsystem with IPsec and HTTP Digest. International Journal of Computer (IJC), Jordan, v. 26, n. 1, p. 117–128, 2017. DOI: 10.53896/ijc.v26i1.1025. Disponível em: https://ijcjournal.org/InternationalJournalOfComputer/article/view/1025. Acesso em: 12 sep. 2025.