A Proposed Study of a Unified e-Portal for Citizens and Residents in the Sultanate of Oman. مجلة العلوم الهندسية و تكنولوجيا المعلومات, [S. l.], v. 2, n. 3, p. 69–61, 2018. DOI: 10.26389/AJSRP.I090818. Disponível em: https://journals.ajsrp.com/index.php/jesit/article/view/1047. Acesso em: 16 2025.