SALAH, Saeed; THABET, Mahmoud. E-Learning Management Systems- A Feature-based Comparative Analysis. Journal of Information Systems and Technology Management, [S. l.], v. 18, 2021. DOI: 10.4301/S1807-1775202118003. Disponível em: https://jistem.tecsi.org/index.php/jistem/article/view/3157. Acesso em: 6 sep. 2025.