MICHAEL, Onuoha. Addressing Pedagogical Usability and Mobility Barriers in E-learning Systems. International Journal of Applied Sciences: Current and Future Research Trends , Jordan, v. 19, n. 1, 2025. Disponível em: https://ijascfrtjournal.isrra.org/Applied_Sciences_Journal/article/view/1056. Acesso em: 9 oct. 2025.