ISHAQ MUBARAK AL HADHRAMI, JAYAKUMARI. A Proposed Study of a Unified e-Portal for Citizens and Residents in the Sultanate of Oman. Journal of engineering sciences and information technology, New Mexico, United States, v. 2, n. 3, p. 69–61, 2018. DOI: 10.26389/AJSRP.I090818. Disponível em: https://ajsrp.ojsexpert.com/index.php/jesit/article/view/1047. Acesso em: 20 dec. 2025.