SALAH, S.; THABET, M. E-LEARNING MANAGEMENT SYSTEMS: A FEATURE-BASED COMPARATIVE ANALYSIS. JISTEM - Journal of Information Systems and Technology Management (Online), [S. l.], v. 18, p. e202118003, 2021. DOI: 10.4301/S1807-1775202118003. Disponível em: https://www.revistas.usp.br/jistem/article/view/186062. Acesso em: 7 jul. 2022.