The Deep Study of the Role Multi-Factor Authentication in E-Learning Systems: Primitive Tools and Schemes. Journal of Basrah Researches (Sciences), [S. l.], v. 52, n. 1, p. 14–30, 2026. DOI: 10.56714/bjrs.52.1.2. Disponível em: https://jou.jobrs.edu.iq/index.php/home/article/view/376. Acesso em: 8 jul. 2026.