SAAD ALI, Shahera; MOSTAFA HELMY, Prof.Yehia; FATHY MOAWAD, Prof. Ibrahim. Challenges of Learning Management Systems and Current Trends. International Journal of Advanced Engineering, Management and Science, [S. l.], v. 8, n. 9, 2022. Disponível em: https://journal-repository.com/index.php/ijaems/article/view/5453.. Acesso em: 2 may. 2025.