ALATAWI, S. S. T.; MISKON, S.; ABDULLAH, N. S.; GHABBAN, F.; SAEED, F.; ALFADLI, I.; AMEERBAKHSH, O. A New Model for Enhancing Student Portal Usage in Saudi Arabia Universities. Engineering, Technology & Applied Science Research, Greece, v. 11, n. 3, p. 7158–7171, 2021. DOI: 10.48084/etasr.4132. Disponível em: https://etasr.com/index.php/ETASR/article/view/4132. Acesso em: 20 sep. 2021.